plural of sad sack

Making, or willing to make, a self-sacrifice.

present participle of self-sacrifice

The giving up of one's own benefit for the good of others. / The act of making the ultimate sacrifice of giving up one's life for a cause.

(games, racing) A race in which competitors stand in sacks or similar items and try to be the first to jump to the finish line.

(manufacturing) A piece of corrodible metal, attached to a metallic surface to be protected, that is preferentially consumed by electrolytic action

Something to be suspicious of.

Having massive curved upper canine teeth

Any of numerous species of extinct cat-like mammals, of the Machairodontinae subfamily of the Felidae.

Death for a cause or for one's country.