from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To read or examine, typically with great care.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An examination or perusal; an instance of perusing.
- v. To examine or consider with care.
- v. To read completely.
- v. To look over casually; to skim.
- v. To go from place to place; to wander.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To observe; to examine with care.
- transitive v. To read through; to read carefully.
from The Century Dictionary and Cyclopedia
- To go through searchingly or carefully; run over with careful scrutiny; examine throughout or in detail; inspect; survey; scan; scrutinize.
- To read through carefully or with attention.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. examine or consider with attention and in detail
Middle English perusen, to use up : Latin per-, per- + Middle English usen, to use; see use.(American Heritage® Dictionary of the English Language, Fourth Edition)
From per-+use, from either Medieval Latin (peruti, perusitare ("wear out")) or Anglo-Norman (peruser ("use up")), originally leading two concurrent meanings, but only those derived from "to examine" survive today. (Wiktionary)