(sports) An activity specific to snowmobiling, where a snowmobile attempts to ride as far as possible up a steep slope, then turn and come down without rolling or stalling on the hill.

(linguistics, of a language) Tending to have no grammatical marks on either the dependents or modifiers or the heads or nuclei showing the relationship between different constituents of a phrase.

tool used in woodworking and metalworking to scribe a line parallel to a reference edge or surface.

The use of computer technology to mark academic work.

present participle of mark up

present participle of re-mark

plural of marking gauge

present participle of mark time

(sports) The act of marking an opposition player closely.

present participle of man-mark.