also: たけパイ
noun
bamboo tile; bamboo mahjong tile
A mahjong tile made of bamboo, or a tile from the bamboo suit. Used in mahjong terminology.
竹牌は麻雀牌の一種で、竹で作られている。
A bamboo tile is a type of mahjong tile made from bamboo.
このセットには竹牌が8枚入っている。
This set contains eight bamboo tiles.
麻雀牌 is the general term for mahjong tiles; 竹牌 specifically refers to tiles made of bamboo or the bamboo suit.
Compound of 竹 (bamboo) and 牌 (tile, signboard). The reading はい for 牌 is the kan'on reading, while パイ reflects a later Chinese-derived pronunciation common in mahjong terminology.