[noun][from 1723] a hand of cards worth zero (such as 8–9–3 totalling 20, which is equivalent to zero), in Baccarat-like three-card games such as おいちょかぶ
[noun][from ???](colloquial,poker)synonym of ハイカード(hai kādo, “high card”): a no pair, a hand without even a pair(probably a modification of the term for a zero-valued card hand)