mother-in-law

[ muhth-er-in-law ]
/ ˈmʌð ər ɪnˌlɔ /

noun, plural moth·ers-in-law.

the mother of one's husband or wife.

Nearby words

  1. mother wit,
  2. mother yaw,
  3. mother's boy,
  4. mother's day,
  5. mother's helper,
  6. mother-in-law plant,
  7. mother-in-law's tongue,
  8. mother-naked,
  9. mother-of-pearl,
  10. mother-of-pearl cloud

Origin of mother-in-law

1350–1400; Middle English modyr in lawe

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mother-in-law


British Dictionary definitions for mother-in-law

mother-in-law

noun plural mothers-in-law

the mother of one's wife or husband
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 mother-in-law

mother-in-law

n.

mid-15c., "mother of one's spouse," from mother (n.1) + in-law. Also in early use, "stepmother." In British slang c.1884, mother-in-law was "a mixture of ales old and bitter."

Online Etymology Dictionary, © 2010 Douglas Harper