つぶ Also written つび, つみ, ツブ, 螺, 海螺 Meanings Noun whelk (esp. Neptunea and Buccinum spp.) small spiral-shelled snail (esp. a pond snail) See also: 螺 (にし). Words containing つぶ 雪つぶて (ゆきつぶて) snowball 組合つぶし (くみあいつぶし) union-busting Jinuma: Japanese Dictionary · Word lists