Definition of mucro in US English:

mucro

noun

Zoology Botany
  • A short sharp point at the end of a part or organ.

    • ‘Furthermore, juveniles with a long antennule and a mucro were classified as being of the species Bosmina coregoni.’
    • ‘Posterior is indicated by the mucro on the tail plate, by the sweep of the hollow lateral spines toward the tail plate and by the sweep of the plates when seen in both dorsal and lateral views.’
    • ‘In addition, the posterior plate of this chiton shows a distinct mucro.’
    • ‘The leaves, in rosettes, have a mucro or spine at the tip.’

Origin

Mid 17th century: from Latin, ‘sharp point’.

Pronunciation

mucro

/ˈmyo͞okrō/