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Từ điển Oxford Advanced Learner 8th
pontoon
pon·toon [pontoon pontoons pontooned pontooning] BrE [pɒnˈtuːn] NAmE [pɑːnˈtuːn] noun
1. countable a temporary floating platform built across several boats or hollow structures, especially one used for tying boats to
2. countable a boat or hollow structure that is one of several used to support a floating platform or bridge
•a pontoon bridge
3. uncountable (BrE) = ↑blackjack
Word Origin:
sense 3 early 20th cent. vingt-et-un ‘twenty-one’ senses 1 to 2 late 17th cent. French ponton Latin ponto ponton- pons pont- ‘bridge’
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