stem

a turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it

front part of a vessel or aircraft

he pointed the bow of the boat toward the finish line

cylinder forming a long narrow part of something

the tube of a tobacco pipe

(linguistics) the form of a word after all affixes are removed

thematic vowels are part of the stem

a slender or elongated structure that supports a plant or fungus or a plant part or plant organ

remove the stem from

for automatic natural language processing, the words must be stemmed

stop the flow of a liquid

staunch the blood flow

stem the tide

grow out of, have roots in, originate in

The increase in the national debt stems from the last war

cause to point inward

stem your skis