元となった辞書の項目
ピン
noun
an ace in cards or a "one" in dice / the first or top item
意味（1）
an ace in cards or a one
in dice
意味（2）
the first or top item
意味（3）
(idiomatic, from the way that servants would sometimes inflate prices by one-tenth and pocket the difference): the cut or percentage taken from something, the rake-off
