n.

1. 【植】香橼树；香橼（指果实，状如柠檬）[C]
2. 香橼皮蜜饯[U]
3. 【美】【植】构橼西瓜[C]

n.

1. a shrubby Asian tree bearing large lemon-like fruits with thick fragrant peel. [Citrus medica.]
2. the fruit of the citron tree.