Card Game Also Called Twenty-One or Vingt-Et-Un

This page is the CodyCross answer for the clue below from Spa Time, Group 818, Puzzle 5 (Snow and Ice Room).

Question is: Card Game Also Called Twenty-One or Vingt-Et-Un

and the answer is: PONTOON

Word Meaning:

PONTOON — A flat-bottomed boat or other floating structure used as a buoyant support for a temporary bridge, dock or landing stage.

Definitions from Wiktionary.