Word Study
dicotyledon
OXFORD DICTIONARY
dicotyledon, n. any flowering plant having two cotyledons.
Derivative
dicotyledonous adj.
Etymology
mod.L dicotyledones (as DI-(1), COTYLEDON)
THESAURUS
dicotyledon
Angiospermae, Cycadales, Ginkgoales, Gnetales, Monocotyledones, Pinales, amphibian, angiosperm, angiosperms, annual, aquatic plant, biennial, conifers, cosmopolite, cutting, cycads, deciduous plant, dicot, dicotyledons, endogens, ephemeral, evergreen, exotic, flowering plant, fungus, gametophyte, ginkgoes, gnetums, gymnosperm, gymnosperms, hydrophyte, monocot, monocotyl, monocotyledons, perennial, plant, polycot, polycotyl, polycotyledon, seed plant, seedling, spermatophyte, sporophyte, thallophyte, triennial, vascular plant, vegetable, weedFor further exploring for "dicotyledon" in Webster Dictionary Online