mite /maɪt/noun 6forms 1phrases 2 noun6 •Any of many minute arachnids which, along with the ticks, comprise subclass Acari (syn. Acarina). •(informal) A small or naughty person, or one people take pity on; rascal.Today's children at Christmas-time take a cast-off toy to the Toy Service held in many churches, and it is a pretty sight to watch those tiny mites clutching their toys and parting from them.j — 1971 •Anything very small; a minute object; a very little quantity or particle."Well," I says, "I cal'late a body could get used to Tophet if he stayed there long enough." She flared up; the least mite of a slam at Doctor Wool was enough to set her going. — 1913 •A small coin formerly circulated in England, rated at about a third of a farthing.One mite wrung from the lab'rer's hands Shall buy and sell the miser's lands — 1803 •A lepton, a small coin used in Judea in the time of Christ. •A small weight; one twentieth of a grain. formsmites Phrases with mite a miteTo a small extent; in a small amount; rather. widow's miteA very small gift or donation which, however, represents a great sacrifice on the part of the giver.