1
: a fan-shaped tail or end
2
: a domestic pigeon having a broad rounded tail often with 30 or 40 feathers
3
: an architectural part resembling a fan
4
: a counter or after overhang of a ship shaped like a duck's bill
variants
or less commonly fantail
: a small white-tailed deer (Odocoileus virginianus couesi) of the southwestern U.S. and western Mexico
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Merriam-Webster unabridged



