What does "flycatcher" mean?

Any of many kinds of birds of the family Muscicapidae, of Africa, Europe, and Asia, that catch insects in flight; an Old World flycatcher.

Flycatcher

Common synonyms include: flycatchers, insectivore, insectivorous bird, insectivorous passerine, insectivorous passerines, magpie.

noun

noun ·3 syllables ·Rare ·Advanced level

Noun

1
Any of many kinds of birds of the family Muscicapidae, of Africa, Europe, and Asia, that catch insects in flight; an Old World flycatcher.
2
large American birds that characteristically catch insects on the wing wordnet
3
Any of many kinds of similar birds of various families, such as Tyrannidae (the New World flycatchers of the Americas), Tityridae, Stenostiridae, Monarchidae, Petroicidae, etc.
4
any of a large group of small songbirds that feed on insects taken on the wing wordnet
5
A device for catching flies.
"Stewart appeared anxious to get all information in connection with a fly-catcher on the counter."

"The flycatcher has ravaged the flies."

From fly + catcher.