plural of skull-cap

(rare) An object that merely has the appearance of a skull.

plural of pseudo-skull

plural of cloverleaf skull

plural of skull drum

A drum (musical instrument) made from a thin covering stretched over a hemispherical section of a human skull; also, a damaru made from two skulls.

(UK, slang, obsolete) A maker of straw bonnets.

plural of skull-thatcher

plural of skull-and-crossbones (alternative form of skulls and crossbones)

Synonym of skull and crossbones (“emblem of pirates or toxicity”)