The acid characteristic of croton oil is tiglic or tiglinic acid, a derivative of crotonic acid.
(Cro"ton*ine) n. (Chem.) A supposed alkaloid obtained from croton oil by boiling it with
water and magnesia, since found to be merely a magnesia soap of the oil. Watts.
(Cro*ton"y*lene) n. [Crotonic + acet-ylene.] (Chem.) A colorless, volatile, pungent liquid,
C4H6, produced artificially, and regarded as an unsaturated hydrocarbon of the acetylene series, and
analogous to crotonic acid.
(Crot"tles) n. pl. [Gael. crotal.] A name given to various lichens gathered for dyeing. [Scot.]
(Crouch) v. i. [imp. & p. p. Crouched (kroucht); p. pr. & vb. n. Crouching.] [OE. cruchen,
crouchen, crouken; cf. E. creep, G. krauchen, kriechen, or E. crook to bend, also crouch to cross.]
1. To bend down; to stoop low; to lie close to the ground with the logs bent, as an animal when waiting
for prey, or in fear.
Now crouch like a cur.
Beau. & Fl.
2. To bend servilely; to stoop meanly; to fawn; to cringe. "A crouching purpose." Wordsworth.
Must I stand and crouch
Under your testy humor?
(Crouch), v. t. [OE. cruchen, crouchen, from cruche, crouche, cross. Cf. Crosier, Crook.]
1. To sign with the cross; to bless. [Obs.] Chaucer.
2. To bend, or cause to bend, as in humility or fear.
She folded her arms across her chest,
And crouched her head upon her breast.
Crouched friar. See Crutched friar, under Crutched.
(Crouched) a. Marked with the sign of the cross. [Obs.]
(Croud) n. (Mus.) See Crowd, a violin.
(Crouke) n. A crock; a jar. [Obs.] Chauser.
(Croup) n. [F. croupe hind quarters, croup, rump, of German or Icel. origin; cf. Icel. kryppa
hump; akin to Icel. kroppr. Cf. Crop.] The hinder part or buttocks of certain quadrupeds, especially
of a horse; hence, the place behind the saddle.
So light to the croup the fair lady he swung,
So light to the saddle before her he sprung.
Sir W. Scott.