stem
     n 1: (linguistics) the form of a word after all affixes are
          removed; "thematic vowels are part of the stem" [syn: {root},
           {root word}, {base}, {theme}, {radical}]
     2: a slender or elongated structure that supports a plant or
        fungus or a plant part or plant organ [syn: {stalk}]
     3: cylinder forming a long narrow part of something [syn: {shank}]
     4: the tube of a tobacco pipe
     5: front part of a vessel or aircraft; "he pointed the bow of
        the boat toward the finish line" [syn: {bow}, {fore}, {prow}]
     6: a turn made in skiing; the back of one ski is forced outward
        and the other ski is brought parallel to it [syn: {stem
        turn}]
     v 1: grow out of, have roots in, originate in; "The increase in
          the national debt stems from the last war"
     2: cause to point inward; "stem your skis"
     3: stop the flow of a liquid; "staunch the blood flow"; "them
        the tide" [syn: {stanch}, {staunch}, {halt}]
     4: remove the stem from; "for automatic natural language
        processing, the words must be stemmed"
     [also: {stemming}, {stemmed}]
Source: WordNet® 2.0

stemming
     See {stem}
Source: WordNet® 2.0