Definition of "labellums" 
- (noun) Plural form of labellum.
Use "labellums" in a sentence
- "Today's words Word don't know: Today I learned that the plural of labellum is labellums."
- "Thus some bolbophyl, for example, have caudal appendages to their sepals, as in Masdevallias, and on the other hand some Masdevallias have their labellums hinged and oscillatory, which is so commonly the case as to be "almost characteristic" in the genus Bolbophyllum or Sarcopodium."