D defs.my
Entry 1 sense Webster, 1913

Acotyledon

/(#; 277)/ · A·cot·y·le·don · IPA /ˈeɪ.kɔt.l̩.iːdˌn̩/
01 n. A plant which has no cotyledons, as the dodder and all flowerless plants.
  1. 1.
    A plant which has no cotyledons, as the dodder and all flowerless plants.(Bot.)