'straight razor' definitions:

Definition of 'straight razor'

noun

A razor with a straight cutting edge enclosed in a case that forms a handle when the razor is opened for use

From: GCIDE

Razor \Ra"zor\ (r[=a]"z[~e]r), n. [OE. rasour, OF. rasur, LL. rasor: cf. F. rasoir, LL. rasorium. See Raze, v. t., Rase, v. t.]
1. A keen-edged knife of peculiar shape, used in shaving the hair from the face or the head; also called a {straight razor}. "Take thee a barber's razor." --Ezek. v. 1. [1913 Webster]
2. a device used for shaving, having a replaceable blade with a very sharp edge; also called safety razor. Also a similar device, made of plastic, in which the blade is neither replaceable nor can be sharpened, intended to be discarded after the blade dulls -- called a {disposable razor}. [PJC]
3. (Zool.) A tusk of a wild boar. [1913 Webster]
Razor fish. (Zool.) (a) A small Mediterranean fish (Coryphaena novacula), prized for the table. (b) The razor shell.
Razor grass (Bot.), a West Indian plant ({Scleria scindens}), the triangular stem and the leaves of which are edged with minute sharp teeth.
Razor grinder (Zool.), the European goat-sucker.
Razor shell (Zool.), any marine bivalve shell belonging to Solen and allied genera, especially Solen ensis (or Ensatella ensis), and Solen Americana, which have a long, narrow, somewhat curved shell, resembling a razor handle in shape. Called also razor clam, razor fish, knife handle.
Razor stone. Same as Novaculite.
Razor strap, or razor strop, a strap or strop used in sharpening razors. [1913 Webster]