(linguistics) A word, especially a noun in Indo-European linguistics, whose stem ends in /a/.

(nautical, obsolete, of ships) Side by side so that both ships’ prows or stems are even with one another, abreast.

(cytology) An essential characteristic of a stem cell that distinguishes it from ordinary cells

(countable) Acronym of scanning transmission electron microscope. / (uncountable) Acronym of science, technology, engineering, (and) mathematics.

(nautical) Movement against a current, especially a tidal current. / A process for removing the inflexional, and sometimes derivational, affixes from words.

present participle of stem

A lesbian, chiefly African-American, exhibiting both stud and femme traits.

Alternative form of steem

Alternative form of STEM

To remove the stem from. / To be caused or derived; to originate. / To descend in a family line. / To direct the stem (of a ship) against; to make headway against.