from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of numerous oval, flat-bodied insects of the family Blattidae, including several species that are common household pests.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A black or brown straight-winged insect of the order Blattodea.
- n. An unhygienic person or a member of a group of people regarded as unhygienic or rapidly procreating.
from the GNU version of the Collaborative International Dictionary of English
- n. An orthopterous insect of the genus Blatta, and allied genera.
from The Century Dictionary and Cyclopedia
- n. The popular name of the insects of the orthopterous genus Blatta, in a broad sense comprising several species, of which B. (Periplaneta) orientalis, the common cockroach or black beetle, may be regarded as the type.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of numerous chiefly nocturnal insects; some are domestic pests
By folk etymology from obsolete cacarootch, from Spanish cucaracha, from cuca, caterpillar.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Spanish cucaracha ("woodlouse"), influenced, via folk etymology, by cock and roach. (Wiktionary)