Associations to the word «Monotreme»

Wiktionary

MONOTREME, noun. (zoology) A mammal that lays eggs and has a single urogenital and digestive orifice. Only the echidnas and platypuses are included in this group.
MONOTREME, adjective. (palynology) (of a pollen grain) Having a single trema, or aperture.

Dictionary definition

MONOTREME, noun. The most primitive mammals comprising the only extant members of the subclass Prototheria.

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats