allspice

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A tropical American evergreen tree (Pimenta dioica) having opposite, simple leaves and small white flowers clustered in cymes.
2. n. The dried, nearly ripe berries of this plant used as a spice, especially in baking.

Century Dictionary and Cyclopedia

1. n. The fruit of Eugenia Pimenta, a tree of the West Indies. See pimento. Carolina allspice is the sweet-shrub, Calycanthus floridus. Japan allspice is a common name for the allied shrub of Japan, Chimonanthus fragrans. Wild allspice is a name sometimes given to the aromatic Lindera Benzoin of the United States.

Wiktionary

1. n. uncountable A spice; the dried and ground unripe fruit of Pimenta dioica, thought to combine the flavours of several spices, such as cinnamon, nutmeg and cloves.
2. n. countable An evergreen tree of tropical America with aromatic berries.

GNU Webster's 1913

1. n. The berry of the pimento (Eugenia pimenta), a tree of the West Indies; a spice of a mildly pungent taste, and agreeably aromatic; Jamaica pepper; pimento. It has been supposed to combine the flavor of cinnamon, nutmegs, and cloves; and hence the name. The name is also given to other aromatic shrubs; as, the Carolina allspice (Calycanthus floridus); wild allspice (Lindera benzoin), called also spicebush, spicewood, and feverbush.

WordNet 3.0

1. n. deciduous shrubs having aromatic bark; eastern China; southwestern and eastern United States
2. n. ground dried berrylike fruit of a West Indian allspice tree; suggesting combined flavors of cinnamon and nutmeg and cloves
3. n. aromatic West Indian tree that produces allspice berries