stem noun
ADJ. long, tall | short | thick | slender, thin | flexible, strong | brittle, weak | iris, rose, etc.
VERB + STEM break, cut (back/out), prune (back), shorten, trim When the bush has finished flowering, cut back all the stems.
STEM + VERB break
PREP. on a/the ~ There are several leaves on each stem.
PHRASES the base of the stem Cut half an inch off the base of each stem.
You can also check other dicts: stem (English, 中文解释 ), wordnet sense, Collins Definition