WordReference Random House Unabridged Dictionary of American English © 2017
pontoon), and on this model occasionally used in the formation of new nouns in English (spittoon).
- compare Spanish. -on, Italian. -one, Latin -ōn- as an English formative (e.g., in spittoon), extracted from words of various origins (buffoon, lagoon, etc.) but representing chiefly French -on in words stressed on the final syllable