A fly is one type of insect.
An ant is an example of an insect.
- any of a large class (Insecta) of small arthropod animals characterized, in the adult state, by division of the body into head, thorax, and abdomen, three pairs of legs on the thorax, and, usually, two pairs of membranous wings, including beetles, bees, flies, wasps, and mosquitoes
- popularly any small arthropod, usually wingless, including spiders, centipedes, pill bugs, and mites
- an unimportant or contemptible person
Origin of insect; from Classical Latin insectum (animale), literally , notched (animal), neuter of past participle of insecare, to cut into ; from in-, in + secare, to cut (see saw): from the segmented bodies: compare entomo-
- a. Any of numerous arthropod animals of the class Insecta, having an adult stage characterized by three pairs of legs and a body segmented into head, thorax, and abdomen and usually having one or two pairs of wings. Insects include the flies, crickets, mosquitoes, beetles, butterflies, and bees.b. Any of various other small, chiefly arthropod animals, such as spiders, centipedes, or ticks, usually having many legs. Not in scientific use.
- An insignificant or contemptible person.
Origin of insectLatin īnsectum, from neuter past participle of īnsecāre, to cut up (translation of Greek entomon, segmented, cut up, insect) : in-, in; see in–2 + secāre, to cut; see sek- in Indo-European roots.
- An arthropod in the class Insecta, characterized by six legs, up to four wings, and a chitinous exoskeleton.
- Our shed has several insect infestions, including ants, yellowjackets, and wasps.
- (colloquial) Any small arthropod similar to an insect including spiders, centipedes, millipedes, etc
- The swamp is swarming with every sort of insect.
- A contemptible or powerless person.
- The manager’s assistant was the worst sort of insect.
From Middle French insecte, from Latin insectum (“with a notched or divided body, cut up”), from perfect passive partciple of insecō (“I cut up”), from in- + secō (“I cut”), from the notion that the insect's body is "cut into" three sections. Calque of Ancient Greek ἔντομον (entomon, “insect”), from ἔντομος (entomos, “cut into pieces”).