1》 a punctuation mark (,) indicating a pause between parts of a sentence or separating items in a list.
2》 Music a minute interval or difference of pitch.
3》 a widespread butterfly that has orange and brown wings and a white ~-shaped mark on the underside of the hindwing. [ Polygonia c-album .]
C16: via L. from Gk komma 'piece cut off, short clause', from koptein 'cut'.