UnscrambleTheWord.cosponson
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Is sponson a Scrabble word?
Word Games
- Scrabble US/Canada (OTCWL) Yes
- Scrabble UK (SOWPODS) Yes
- Wordle No
- Words With Friends Yes
Scrabble US/Canada (OTCWL) 
Wordle 
Words With Friends What is the meaning of sponson?
Definition
noun (English)
1. (nautical, aviation, military) A projection from the side of an aircraft, watercraft, or land vehicle.Examples: "He and Gerald usually challenged the rollers in a sponson canoe when Gerald was there for the weekend; or, when Lansing came down, the two took long swims seaward or cruised about in Gerald's dory, clad in their swimming-suits ; and Selwyn's youth became renewed in a manner almost ridiculous,[…]."
verb (English)
1. (nautical, aviation, military, transitive, often with the particle "out") To mount on a projection on the side of a vessel.Examples: "The belted cruiser Pamiat Azova or Remembrance of Azoff, is 377 feet long. She is an improved Dmitri Dontskoi, and carries her two 8-inch guns in sponsoned barbettes on either broadside"oftentransitive
Definition source: Wiktionary