'Scalp' definitions:

Definition of 'scalp'

noun

The skin that covers the top of the head; "they wanted to take his scalp as a trophy"

verb

Sell illegally, as on the black market

verb

Remove the scalp of; "The enemies were scalped"

From: GCIDE

Scalp \Scalp\ (sk[a^]lp), n. [Cf. Scallop.] A bed of oysters or mussels. [Scot.] [1913 Webster]

From: GCIDE

Scalp \Scalp\, v. t. [imp. & p. p. Scalped; p. pr. & vb. n. Scalping.]
1. To deprive of the scalp; to cut or tear the scalp from the head of. [1913 Webster]
2. (Surg.) To remove the skin of. [1913 Webster]
We must scalp the whole lid [of the eye]. --J. S. Wells. [1913 Webster]
3. (Milling) To brush the hairs or fuzz from, as wheat grains, in the process of high milling. --Knight. [1913 Webster]

From: GCIDE

Scalp \Scalp\, n. [Perhaps akin to D. schelp shell. Cf. Scallop.]
1. That part of the integument of the head which is usually covered with hair. [1913 Webster]
By the bare scalp of Robin Hodd's fat friar, This fellow were a king for our wild faction! --Shak. [1913 Webster]
2. A part of the skin of the head, with the hair attached, cut or torn off from an enemy by the Indian warriors of North America, as a token of victory. [1913 Webster]
3. Fig.: The top; the summit. --Macaulay. [1913 Webster]
Scalp lock, a long tuft of hair left on the crown of the head by the warriors of some tribes of American Indians. [1913 Webster]

From: GCIDE

Scalp \Scalp\, v. i. To make a small, quick profit by slight fluctuations of the market; -- said of brokers who operate in this way on their own account. [Cant] [1913 Webster]