Alternative spelling of frogmarch

(military) A movement on foot by soldiers or prisoners of war, who must, in order to satisfy a military requirement, travel at a speed or in adverse conditions that would normally tire them excessively.

Any of the family Bibionidae of dark hairy flies. / Tipula hortulana (syn. Bibio hortulanus), now of family Tipulidae of crane flies.

A time of vacation from school that occurs during the month of March.

plural of March break

(military) A long march for training purposes. / (by extension, informal) A long grueling walk.

(military) To go or send on a route-march. / (informal) To go or send on a long, exhausting tour by foot.

Alternative form of route-march

Alternative form of route-march

(astronomy) The moment when the sun crosses the celestial equator while heading northward, occurring on March 19–21. That would be vernal equinox in the northern hemisphere and autumnal equinox in the southern hemisphere.