noun
BotanyA tree having a thick primary stem and few or no branches (a primitive growth form especially characteristic of the tropics).
adjective
Botany= pachycaulous .
Origin
1940s; earliest use found in John Henry Corner (1906–1996), botanist. From pachy- + ancient Greek καυλός stem, stalk, after Hellenistic Greek παχύκαυλος having a thick stem or stalk.
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