What is the meaning of Mosquito?

A small flying insect of the family Culicidae, the females of which bite humans and animals and suck blood, leaving an itching bump on the skin, and sometimes carrying diseases like malaria, dengue and yellow fever.

To fly close to the ground, seemingly without a course.

mosquito

mosquito

Diminutive of mosca; a mosquito.

mosquito

mosquito

gnat

trimmer

Diminutive of mosco (small fly)

Source: wiktionary.org