A monocotyledonous flowering plant; the stem grows by deposits on its inside WordNet 3.0 & Open English WordNet

Monocotyledons, commonly referred to as monocots, are grass and grass-like flowering plants, the seeds of which typically contain only one embryonic leaf, or cotyledon. Wikipedia

Important clade of plants Wikidata

Any plant whose seedlings typically have one cotyledon (seed leaf) (in contrast to the two cotyledons typical of dicots), thereby belonging to the taxonomic monocots, formerly variously known as Monocotyledones, Monocotyledonae, or Liliopsida, a class in the angiosperms (Angiospermae), the flowering plants. Wiktionary

Plant belonging to Monocotyledones or Liliopsida. Wiktionary (translation)