any tropical American plant of the solanaceous genus Capsicum, such as C. frutescens, having mild or pungent seeds enclosed in a pod-shaped or bell-shaped fruit
2.
the fruit of any of these plants, used as a vegetable or ground to produce a condiment
See also pepper (sense 4)
Word origin
C18: from New Latin, from Latin capsa box, case2
capsicum in American English
(ˈkæpsɪkəm)
noun
1.
any of a genus (Capsicum) of pepper plants of the nightshade family, with fleshy, usually red pods, including the hot peppers (Tabasco, bird, chili, cayenne) and the sweet peppers (bell)
2.
these pods variously prepared as condiments or, in medicine, as a gastric stimulant
Word origin
ModL < L capsa, a box (see case2), from the shape of the seedpods