bettor

or bet·ter

[ bet-er ]
/ ˈbɛt ər /

noun

a person who bet.

Origin of bettor

First recorded in 1600–10; bet1 + -or2
Can be confusedbetter bettor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bettor

Word Origin and History for bettor

bettor


n.

also better (OED notes that English agent nouns in -er tend to shift toward -or as their senses become more specific), agent noun from bet (v.).

Online Etymology Dictionary, © 2010 Douglas Harper