a single-strapped bag worn over one shoulder and used for carrying supplies.
2.
a soldier's bag for rations, extra clothing, etc.
Origin: 1740–50; earlier havresack < French havresac < German Habersack, equivalent to Haber oats (compare dialectal English haver < Old Norse hafrar oats) + Sacksack1
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
the offspring of a zebra and a donkey.
a stew of meat, vegetables, potatoes, etc.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
1749, from Fr. havresac (1680), from Low Ger. hafersach "cavalry trooper's bag for horse provender," lit. "oat sack," from the Gmc. word for "oat" (cf. O.N. hafri, M.Du. havere, O.H.G. habaro). "Haver is a common word in the northern countries for oats." [Johnson]