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mosquito hawk

noun
  1. nighthawk(def 1).
  2. Chiefly Southern U.S. Also called skeeter hawk. dragonfly(def 1).

Origin of mosquito hawk

An Americanism dating back to 1700–10; so called because it feeds on nocturnal insects such as mosquitoes

Regional variation note

2. See dragonfly.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for mosquito hawk

mosquito hawk

noun
  1. another name for nighthawk (def. 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012