'Back blocks' definitions:

Definition of 'Back blocks'

From: GCIDE

Block \Block\ (bl[o^]k), n. [OE. blok; cf. F. bloc (fr. OHG.), D. & Dan. blok, Sw. & G. block, OHG. bloch. There is also an OHG. bloch, biloh; bi by + the same root as that of E. lock. Cf. Block, v. t., Blockade, and see Lock.] [1913 Webster]
1. A piece of wood more or less bulky; a solid mass of wood, stone, etc., usually with one or more plane, or approximately plane, faces; as, a block on which a butcher chops his meat; a block by which to mount a horse; children's playing blocks, etc. [1913 Webster]
Now all our neighbors' chimneys smoke, And Christmas blocks are burning. --Wither. [1913 Webster]
All her labor was but as a block Left in the quarry. --Tennyson. [1913 Webster]
2. The solid piece of wood on which condemned persons lay their necks when they are beheaded. [1913 Webster]
Noble heads which have been brought to the block. --E. Everett. [1913 Webster]
3. The wooden mold on which hats, bonnets, etc., are shaped. Hence: The pattern or shape of a hat. [1913 Webster]
He wears his faith but as the fashion of his hat; it ever changes with the next block. --Shak. [1913 Webster]
4. A large or long building divided into separate houses or shops, or a number of houses or shops built in contact with each other so as to form one building; a row of houses or shops. [1913 Webster]
5. A square, or portion of a city inclosed by streets, whether occupied by buildings or not. [1913 Webster]
The new city was laid out in rectangular blocks, each block containing thirty building lots. Such an average block, comprising 282 houses and covering nine acres of ground, exists in Oxford Street. --Lond. Quart. Rev. [1913 Webster]
6. A grooved pulley or sheave incased in a frame or shell which is provided with a hook, eye, or strap, by which it may be attached to an object. It is used to change the direction of motion, as in raising a heavy object that can not be conveniently reached, and also, when two or more such sheaves are compounded, to change the rate of motion, or to exert increased force; -- used especially in the rigging of ships, and in tackles. [1913 Webster]
7. (Falconry) The perch on which a bird of prey is kept. [1913 Webster]
8. Any obstruction, or cause of obstruction; a stop; a hindrance; an obstacle; -- also called blockage; as, a block in the way; a block in an artery; a block in a nerve; a block in a biochemical pathway. [1913 Webster]
9. A piece of box or other wood for engravers' work. [1913 Webster]
10. (Print.) A piece of hard wood (as mahogany or cherry) on which a stereotype or electrotype plate is mounted to make it type high. [1913 Webster]
11. A blockhead; a stupid fellow; a dolt. [Obs.] [1913 Webster]
What a block art thou ! --Shak. [1913 Webster]
12. A section of a railroad where the block system is used. See Block system, below. [1913 Webster]
13. In Australia, one of the large lots into which public land, when opened to settlers, is divided by the government surveyors. [Webster 1913 Suppl.]
14. (Cricket) (a) The position of a player or bat when guarding the wicket. (b) A block hole. (c) The popping crease. [R.] [Webster 1913 Suppl.]
15. a number of individual items sold as a unit; as, a block of airline ticketes; a block of hotel rooms; a block of stock. [PJC]
16. the length of one side of a city block[5], traversed along any side; as, to walk three blocks ahead and turn left at the corner. [PJC]
17. a halt in a mental process, especially one due to stress, memory lapse, confusion, etc.; as, a writer's block; to have a block in remembering a name. [PJC]
18. (computers) a quantity of binary-encoded information transferred, or stored, as a unit to, from, or on a data storage device; as, to divide a disk into 512-byte blocks. [PJC]
19. (computers) a number of locations in a random-access memory allocated to storage of specific data; as, to allocate a block of 1024 bytes for the stack. [PJC]
A block of shares (Stock Exchange), a large number of shares in a stock company, sold in a lump. --Bartlett.
Block printing. (a) A mode of printing (common in China and Japan) from engraved boards by means of a sheet of paper laid on the linked surface and rubbed with a brush. --S. W. Williams. (b) A method of printing cotton cloth and paper hangings with colors, by pressing them upon an engraved surface coated with coloring matter.
Block system on railways, a system by which the track is divided into sections of three or four miles, and trains are so run by the guidance of electric signals that no train enters a section or block before the preceding train has left it.
Back blocks, Australian pastoral country which is remote from the seacoast or from a river. [Webster 1913 Suppl.]

Definition of 'Back blocks'

From: GCIDE

Back \Back\, a.
1. Being at the back or in the rear; distant; remote; as, the back door; back settlements. [1913 Webster]
2. Being in arrear; overdue; as, back rent. [1913 Webster]
3. Moving or operating backward; as, back action. [1913 Webster]
Back blocks, Australian pastoral country which is remote from the seacoast or from a river. [Webster 1913 Suppl.]
Back charges, charges brought forward after an account has been made up.
Back filling (Arch.), the mass of materials used in filling up the space between two walls, or between the inner and outer faces of a wall, or upon the haunches of an arch or vault.
Back pressure. (Steam Engine) See under Pressure.
Back rest, a guide attached to the slide rest of a lathe, and placed in contact with the work, to steady it in turning.
Back slang, a kind of slang in which every word is written or pronounced backwards; as, nam for man.
Back stairs, stairs in the back part of a house; private stairs. Also used adjectively. See Back stairs, Backstairs, and Backstair, in the Vocabulary.
Back step (Mil.), the retrograde movement of a man or body of men, without changing front.
Back stream, a current running against the main current of a stream; an eddy.
To take the back track, to retrace one's steps; to retreat. [Colloq.] [1913 Webster]