bird pepper

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A variety of pepper (Capsicum annum var. glabriusculum) that includes the wild forms native to the southern United States and Mexico south to Colombia.
2. n. The small pungent fruit of this plant.

Century Dictionary and Cyclopedia

1. n. See Capsicum.

Wiktionary

1. n. A tropical American plant, Capsicum baccatum.
2. n. The very hot, red fruit of this plant.

GNU Webster's 1913

1. A species of capsicum (Capsicum baccatum), whose small, conical, coral-red fruit is among the most piquant of all red peppers.

WordNet 3.0

1. n. plant bearing very small and very hot oblong red fruits; includes wild forms native to tropical America; thought to be ancestral to the sweet pepper and many hot peppers