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tricotyledonous

American  
[trahy-kot-l-eed-n-uhs, trahy-kot-] / traɪˌkɒt lˈid n əs, ˌtraɪ kɒt- /

adjective

Botany.
  1. having three cotyledons.


Etymology

Origin of tricotyledonous

First recorded in 1820–30; tri- + cotyledon + -ous