noun, plural bo·as.
Origin of boa
Examples from the Web for boas
The bright fur accessories include fur bowties, boas, and camera straps.Gisele Lands New Campaign, 'Anorexxxy' Sunglasses Are a Thing|The Fashion Beast Team|February 5, 2013|DAILY BEAST
The argument of Dr. Boas, at this point, seems strangely vague and irresolute.The Color Line|William Benjamin Smith
This is the family of the Boidae, or “boas,” to which the one in question was generically related.The Young Yagers|Mayne Reid
The northern Kwakiutl are divided, says Dr. Boas, into "septs" and "clans."Method in the Study of Totemism|Andrew Lang
Word Origin for boa
late 14c., "large snake," from Latin boa, type of large serpent mentioned in Pliny's "Natural History;" origin unknown (in Middle English folk etymology associated with Greek bous "ox"). Extension to "snake-like coil of fur worn by ladies" is from 1836. Boa constrictor so called from 1788.