Meaning of mesotherm in English:

mesotherm

Pronunciation /ˈmɛsə(ʊ)θəːm/

noun

Ecology
  • A plant (or other organism) requiring a moderately warm environment.

adjective

Ecology

Origin

Late 19th century; earliest use found in Nature: a weekly journal of science. From French mésotherme from méso- + therme.