[ roh-meyn, ruh- ]
/ roʊˈmeɪn, rə- /


Also called romaine lettuce, cos, cos lettuce. a variety of lettuce, Lactuca sativa longifolia, having a cylindrical head of long, relatively loose leaves.

Nearby words

  1. rom. cath.,
  2. rom. cath. ch.,
  3. roma,
  4. romagna,
  5. romaic,
  6. romains,
  7. romains, jules,
  8. romaji,
  9. roman,
  10. roman alphabet

Origin of romaine

1905–10; < French, feminine of romain Roman Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for romaine

British Dictionary definitions for romaine


/ (rəʊˈmeɪn) /


the usual US and Canadian name for cos 1

Word Origin for romaine

C20: from French, from romain Roman

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 romaine



type of lettuce, 1876, from French romaine (in laitue romaine, literally "Roman lettuce"), from fem. of Old French romain "Roman," from Latin Romanus (see Roman). Perhaps so called because of the lettuce's introduction into France (by Bureau de la Rivière, chamberlain of Charles V and VI) at the time of the Avignon papacy (1309-77).

Online Etymology Dictionary, © 2010 Douglas Harper