mite

from The American Heritage® Dictionary of the English Language, 4th Edition

• n. Any of various small or minute arachnids of the order Acarina that are often parasitic on animals and plants, infest stored food products, and in some species transmit disease.
• n. A very small contribution or amount of money.
• n. A widow's mite.
• n. A very small object, creature, or particle.
• n. A coin of very small value, especially an obsolete British coin worth half a farthing.
• idiom a mite To a small degree; somewhat: That remark was a mite unfair.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. A minute arachnid, of the order Acarina, of which there are many species; as, the cheese mite, sugar mite, harvest mite, etc. See Acarina.
• n. A small coin formerly circulated in England, rated at about a third of a farthing. The name is also applied to the lepton, a small coin used in Palestine in the time of Christ.
• n. A small weight; one twentieth of a grain.
• n. Anything very small; a minute object; a very little quantity or particle. Sometimes used adverbially.

from the GNU version of the Collaborative International Dictionary of English

• n. A minute arachnid, of the order Acarina, of which there are many species; See acarina.
• n. A small coin formerly circulated in England, rated at about a third of a farthing. The name is also applied to a small coin used in Palestine in the time of Christ.
• n. A small weight; one twentieth of a grain.
• n. Anything very small; a minute object; a very little quantity or particle.

from The Century Dictionary and Cyclopedia

• n. A small arachnidan of the order Acarida; any acarid.
• n. Some insect like or likened to a mite, as a dust-louse (Psocus).
• n. A small coin of any kind, of slight value; any very small sum of money. No coin seems to have been so called specifically.
• n. An English weight somewhat heavier than a grain troy.
• n. An old money of account, the twenty-fourth part of a penny.
• n. Anything very small; a very little particle or quantity: also applied to persons.
• n. A copper or billon coin of very small value, current in Brabant and Holland.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• n. a slight but appreciable amount
• n. any of numerous very small to minute arachnids often infesting animals or plants or stored foods