Word: umstroke
Part of speech: Noun
Syllables: um
stroke
Definition: A boundary line, especially one at the outermost limit; an extreme edge.
Morphemes:
Affix: um-
Language: en
PoS: Prefix
Meaning: Prefix meaning around, about.
Affix: stroke
Language: en
PoS: Noun
Meaning: A line drawn with a pen or other writing implement, particularly.