COARCTATE
Co*arc"tate, a. Etym: [L. coarctatus, p. p. of coarctare to press
together; co- + arctare to press together, from arctus, p. p. See
Arctation.] (Zoöl.)

Defn: Pressed together; closely connected; — applied to insects having the abdomen separated from the thorax only by a constriction. Coarctate pupa (Zoöl.), a pupa closely covered by the old larval skin, as in most Diptera.

COARCTATION
Co`arc*ta"tion, n. Etym: [L. coarctatio.]

1. Confinement to a narrow space. [Obs.] Bacon.

2. Pressure; that which presses. [Obs.] Ray.

3. (Med.)

Defn: A stricture or narrowing, as of a canal, cavity, or orifice.

COARSE Coarse, a. [Compar. Coarser; superl. Coarsest.] Etym: [As this word was anciently written course, or cours, it may be an abbreviation of of course, in the common manner of proceeding, common, and hence, homely, made for common domestic use, plain, rude, rough, gross, e. g., "Though the threads be course." Gascoigne. See Course.]

1. Large in bulk, or composed of large parts or particles; of inferior quality or appearance; not fine in material or close in texture; gross; thick; rough; — opposed to fine; as, coarse sand; coarse thread; coarse cloth; coarse bread.

2. Not refined; rough; rude; unpolished; gross; indelicate; as, coarse manners; coarse language. I feel Of what coarse metal ye are molded. Shak. To copy, in my coarse English, his beautiful expressions. Dryden.