RAVEL
Rav"el, v. i.

1. To become untwisted or unwoven; to be disentangled; to be relieved of intricacy.

2. To fall into perplexity and confusion. [Obs.] Till, by their own perplexities involved, They ravel more, still less resolved. Milton.

3. To make investigation or search, as by picking out the threads of
a woven pattern. [Obs.]
The humor of raveling into all these mystical or entangled matters.
Sir W. Temple.

RAVELER
Rav"el*er, n. Etym: [Also raveller.]

Defn: One who ravels.

RAVELIN Rave"lin, n. Etym: [F.; cf. Sp. rebellin, It. revellino, rivellino; perhaps fr. L. re- again + vallum wall.] (Fort.)

Defn: A detached work with two embankments with make a salient angle.
It is raised before the curtain on the counterscarp of the place.
Formerly called demilune and half-moon.

RAVELING
Rav"el*ing, n. Etym: [Also ravelling.]

1. The act of untwisting, or of disentangling.