crossbones

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun two crossed bones (or a representation of two crossed bones) used as a symbol danger or death

From cross + bones.

--Hang it!" to me, "they left the skull and crossbones off all the flags!" — Aladdin & Co.: A Romance of Yankee Magic, Herbert Quick
You men fum de Arsenic wid de crossbones on you caps, I ain't lettin' you in; but de Medical Corpses an' de Non-efficient Officers, dey may come.'" — Humorous Ghost Stories, Dorothy Scarborough
Next night we stuck a picture, which Tom drawed in blood, of a skull and crossbones on the front door; and next night another one of a coffin on the back door. — Adventures of Huckleberry Finn, Mark Twain

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