1 [C,U] the small hard part of a plant from which a new plant of the same kind can grow 种子；籽: a packet of sunflower seeds 一包向日葵种子 ☞picture on pages C2 and C3 见C2页及C3页插图

2 [C] the start of a feeling or event that continues to grow （感受或事件的）萌芽，起因，开端

3 [C] a player in a sports competition, especially tennis, who is expected to finish in a high position 种子选手（尤指网球的）