Definition of morae:
(n) :
(phonology) A unit of syllable weight used in phonology, by which stress, foot structure, or timing of utterance is determined in some languages (e.g. Japanese).
(n) :
(poetry) A unit used to measure lines and stanzas of poetry.
(n) :
(Scots law) A delay in bringing a claim.
(n) :
(botany) Any tree of the genus Mora of large South American trees.
(n) :
The common mora (Mora moro).
(n) :
(historical, military) An ancient Spartan military unit of about a sixth of the Spartan army, typically composed of hoplites.