/ θɒŋ; NAmE θɔːŋ/ noun
1.
a narrow strip of leather that is used to fasten sth or as a whip
2.
a pair of women's knickers or men's underpants that has only a very narrow strip of cloth, like a string, at the back
3.
( NAmE , AustralE , NZE ) = flip-flop
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WORD ORIGIN
Old English thwang , thwong , of Germanic origin; related to German Zwang compulsion.