Boyd’s Bible Dictionary:
A small insect; figuratively mentioned
(Matt. 23:24).
Concise Bible Dictionary:
Eye Gnat
The word κώνωψ, is supposed to refer to any species of gnat or mosquito. Matthew 23:24 should read “strain out” in contrast to “swallowing.”
Strong’s Dictionary of Greek Words:
Meaning:
apparently a derivative of the base of 2759 and a derivative of 3700; a mosquito (from its stinging proboscis)