mite1 Syllabification: (mite)Pronunciation: /mīt/Translate mite | into German | into Italian | into Spanish Definition of mite noun a minute arachnid that has four pairs of legs when adult, related to the ticks. Many kinds live in the soil and a number are parasitic on plants or animals. Order (or subclass) Acari: numerous families Origin: Old English mīte, of Germanic originmite in other Oxford dictionaries Definition of mite in the British & World English dictionary