goatsucker

UK: /ˈɡəʊtˌsʌkə/ US: (gōt′suk′ər)

WordReference Random House Unabridged Dictionary of American English © 2025

goat•suck•er  (gōt′suk′ər), n. 

1. Birds nightjar (def. 2).

• 1605–15; so called because formerly believed to suck the milk of goats; translation of Latin caprimulgus, itself translation of Greek aigothé̄las

Collins Concise English Dictionary © HarperCollins Publishers::

goatsucker / ˈɡəʊtˌsʌkə/ noun

1. any nocturnal bird of the family Caprimulgidae, esp Caprimulgus europaeus (European nightjar): order Caprimulgiformes
   Also called (in Britain and certain other countries): nightjar