from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various chiefly nocturnal, insectivorous birds of the family Caprimulgidae, which includes the nighthawk and the whippoorwill.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any bird in the nightjar family Caprimulgidae
from the GNU version of the Collaborative International Dictionary of English
- n. One of several species of insectivorous birds, belonging to Caprimulgus and allied genera, esp. the European species (Caprimulgus Europæus); -- so called from the mistaken notion that it sucks goats. The European species is also goat-milker, goat owl, goat chaffer, fern owl, night hawk, nightjar, night churr, churr-owl, gnat hawk, and dorhawk.
from The Century Dictionary and Cyclopedia
- n. The European night-jar, Caprimulgus europœus: so called from tho vulgar notion that it sucks goats; by extension, any bird of the same genus, or of the family Caprimulgidœ.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. mainly crepuscular or nocturnal nonpasserine birds with mottled greyish-brown plumage and large eyes; feed on insects
Translation of Greek aigothēlas : aigo-, goat + -thēlas, sucker (from the belief that the bird sucked milk from goats).(American Heritage® Dictionary of the English Language, Fourth Edition)
goat + sucker (Wiktionary)