calling card

Từ điển Oxford Advanced Learner 8th

ˈcalling card [calling card calling cards] BrE NAmE noun (NAmE)
1. (BrE ˈvisiting card) (also card BrE, NAmE)(especially in the past) a small card with your name on it which you leave with sb after, or instead of, a formal visit
2. = ↑phonecard
See also: ↑card ▪ ↑visiting card