Function: noun
Date: 1859
: a word that is a key: as a : a word exemplifying the meaning or value of a letter or symbol b usually key · word \ - ˌ w ə rd \ : a significant word from a title or document used especially as an index to content
Function: noun
Date: 1859
: a word that is a key: as a : a word exemplifying the meaning or value of a letter or symbol b usually key · word \ - ˌ w ə rd \ : a significant word from a title or document used especially as an index to content
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012