D defs.my
Entry 1 sense Webster, 1913

Exogen

· Ex·o·gen · IPA
01 n. A plant belonging to one of the greater part of the vegetable kingdom, and which the plants are characterized by having c wood bark, and pi…
  1. 1.
    A plant belonging to one of the greater part of the vegetable kingdom, and which the plants are characterized by having c wood bark, and pith, the wood forming a layer between the other two, and increasing, if at all, by the animal addition of a new layer to the outside next to the bark. The leaves are commonly netted-veined, and the number of cotyledons is two, or, very rarely, several in a whorl. Cf. Endogen.(Bot.) See: Endogen