Scrag \Scrag\ (skr[a^]g), n. [Cf. dial. Sw. skraka a great dry tree, a long, lean man, Gael. sgreagach dry, shriveled, rocky. See Shrink, and cf. Scrog, Shrag, n.]

1. Something thin, lean, or rough; a bony piece; especially, a bony neckpiece of meat; hence, humorously or in contempt, the neck.

Lady MacScrew, who . . . serves up a scrag of mutton on silver. --Thackeray.

2. A rawboned person. [Low] --Halliwell.

3. A ragged, stunted tree or branch.

Scrag whale (Zo["o]l.), a North Atlantic whalebone whale (Agaphelus gibbosus). By some it is considered the young of the right whale.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Scrag \Scrag\, v. t. [Cf. Scrag.]

To seize, pull, or twist the neck of; specif., to hang by the neck; to kill by hanging. [Colloq.]

An enthusiastic mob will scrag me to a certainty the day war breaks out. --Pall Mall Mag.

Source: Webster's Revised Unabridged Dictionary (1913)