Adam's apple

Short definition from Wiktionary

Noun

1. 1
   The lump in the throat, usually more noticeable in men than in women; the laryngeal prominence.
2. 2
   Any of species Tabernaemontana divaricata of fragrant houseplants, native to southeast Asia.
3. 3
   Any of hybrid species Musa × paradisiaca, of cultivated bananas.
4. 4
   A citron (Citrus limetta, syn. of Citrus medica).