Monocotyledon
WordNet
noun
(1) A monocotyledonous flowering plant; the stem grows by deposits on its inside
WiktionaryText
Noun
- any plant belonging to the Monocotyledones (also written Monocotyledonae) or Liliopsida, a class in the Angiospermae, the flowering plants. This group include the grasses, lilies, orchids and palms.