'Water leg' definitions:

Definition of 'Water leg'

From: GCIDE

Water leg \Wa"ter leg`\ (Steam Boilers) See Leg, 7. [1913 Webster]

Definition of 'water leg'

From: GCIDE

Leg \Leg\ (l[e^]g), n. [Icel. leggr; akin to Dan. l[ae]g calf of the leg, Sw. l[aum]gg.]
1. A limb or member of an animal used for supporting the body, and in running, climbing, and swimming; esp., that part of the limb between the knee and foot. [1913 Webster]
2. That which resembles a leg in form or use; especially, any long and slender support on which any object rests; as, the leg of a table; the leg of a pair of compasses or dividers. [1913 Webster]
3. The part of any article of clothing which covers the leg; as, the leg of a stocking or of a pair of trousers. [1913 Webster]
4. A bow, esp. in the phrase to make a leg; probably from drawing the leg backward in bowing. [Obs.] [1913 Webster]
He that will give a cap and make a leg in thanks for a favor he never received. --Fuller. [1913 Webster]
5. A disreputable sporting character; a blackleg. [Slang, Eng.] [1913 Webster]
6. (Naut.) The course and distance made by a vessel on one tack or between tacks. [1913 Webster]
7. (Steam Boiler) An extension of the boiler downward, in the form of a narrow space between vertical plates, sometimes nearly surrounding the furnace and ash pit, and serving to support the boiler; -- called also water leg. [1913 Webster]
8. (Grain Elevator) The case containing the lower part of the belt which carries the buckets. [1913 Webster]
9. (Cricket) A fielder whose position is on the outside, a little in rear of the batter. [1913 Webster]
10. (Math.) Either side of a triangle distinguished from the base or, in a right triangle, from the hypotenuse; also, an indefinitely extending branch of a curve, as of a hyperbola. [Webster 1913 Suppl.]
11. (Telephony) A branch or lateral circuit connecting an instrument with the main line. [Webster 1913 Suppl.]
12. (Elec.) A branch circuit; one phase of a polyphase system. [Webster 1913 Suppl.]
A good leg (Naut.), a course sailed on a tack which is near the desired course.
Leg bail, escape from custody by flight. [Slang]
Legs of an hyperbola (or other curve) (Geom.), the branches of the curve which extend outward indefinitely.
Legs of a triangle, the sides of a triangle; -- a name seldom used unless one of the sides is first distinguished by some appropriate term; as, the hypothenuse and two legs of a right-angled triangle.
On one's legs, standing to speak.
On one's last legs. See under Last.
To have legs (Naut.), to have speed.
To stand on one's own legs, to support one's self; to be independent. [1913 Webster]