Noun

1. (linguistics) the form of a word after all affixes are removed
2. A slender or elongated structure that supports a plant or fungus or a plant part or plant organ
3. Cylinder forming a long narrow part of something
4. The tube of a tobacco pipe
5. Front part of a vessel or aircraft
6. A turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it

Verb

1. Grow out of, have roots in, originate in
2. Cause to point inward
3. Stop the flow of a liquid
4. Remove the stem from