ERPETOLOGIST
Er`pe*tol"o*gist, n.

Defn: Herpetologist.

ERPETOLOGY
Er`pe*tol"o*gy, n. Etym: [Cf. F. erpétologie.] (Zoöl.)

Defn: Herpetology.

ERR Err, v. i. [imp. & p. p. Erred; p. pr. & vb. n. Erring (; 277, 85).] Etym: [F. errer, L. errare; akin to G. irren, OHG. irran, v. t., irr, v. i., OS. irrien, Sw. irra, Dan. irre, Goth, aírzjan to lead astray, airzise astray.]

1. To wander; to roam; to stray. [Archaic] "Why wilt thou err from me" Keble. What seemeth to you, if there were to a man an hundred sheep and one of them hath erred. Wyclif (Matt. xviii. 12).

2. To deviate from the true course; to miss the thing aimed at. "My jealous aim might err." Shak.

3. To miss intellectual truth; to fall into error; to mistake in judgment or opinion; to be mistaken. The man may err in his judgment of circumstances. Tillotson.

4. To deviate morally from the right way; to go astray, in a figurative sense; to do wrong; to sin. Do they not err that devise evil Prov. xiv. 22.

5. To offend, as by erring.