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English definition of “stem”

stem

noun [C]  /stem/ us  

stem noun [C] (CENTRAL PART)

a central part of something from which other parts can develop or grow, or which forms a support The stem of a plant is the straight part that grows above the ground and from which leaves and flowers grow. The stem of a glass is the narrow, vertical part that supports the container into which you put liquid.

stem

verb [T]  /stem/ (-mm-) us  

stem verb [T] (STOP)

to stop something unwanted from spreading or increasing: The bank tried to stem the currency’s recent decline against the dollar.
Phrasal verbs
(Definition of stem from the Cambridge Academic Content Dictionary © Cambridge University Press)
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