[ moi-i-tee ]
/ ˈmɔɪ ɪ ti /

noun, plural moi·e·ties.

a half.
an indefinite portion, part, or share.
Anthropology. one of two units into which a tribe or community is divided on the basis of unilineal descent.

Nearby words

  1. mohur,
  2. mohwa,
  3. mohács,
  4. moi,
  5. moidore,
  6. moil,
  7. moira,
  8. moirai,
  9. moire,
  10. moiré

Origin of moiety

1400–50; late Middle English moite < Middle French < Latin medietāt- (stem of medietās) the middle, equivalent to medi(us) mid + -etāt-, variant, after vowels, of -itāt- -ity Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for moiety

British Dictionary definitions for moiety


/ (ˈmɔɪɪtɪ) /

noun plural -ties archaic

a half
one of two parts or divisions of something

Word Origin for moiety

C15: from Old French moitié, from Latin mediētās middle, from medius

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for moiety



"an equal half," mid-15c., from Old French moite, earlier meitiet (12c., Modern French moitié) "half; middle; portion, piece," from Latin meditatem (nominative medietas) "half," originally "middle point," from medius "middle" (see medial (adj.)).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for moiety


[ moiĭ-tē ]


One of two or more parts into which something may be divided, such as the various parts of a vitamin or molecule.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.