Term:

Monocotyledon (monocot)
Definition:

One of the two classes of angiosperms usually characterized by having one cotyledon, parallel-veined leaves, and flower parts most often in threes. In the classification of Cronquist (1981), this class is called Liliopsida. In the APG classification it is not a monophyletic group. Palms and grasses are examples of economically important monnocots.
Related Terms:

Dicotyledon (dicot)