Learn how to say Mosquitoes correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word mosquito:
noun (plural mosquitoes)
a slender long-legged fly with aquatic larvae. The bite of the bloodsucking female can transmit a number of serious diseases including malaria and elephantiasis.
Culex, Anopheles, and other genera, family Culicidae
late 16th century: from Spanish and Portuguese, diminutive of mosca, from Latin musca ‘fly’