Term: crash helmet: a padded helmet worn by people riding bicycles or motorcycles; protects the head in case of accidents
Broader: covering: an artifact that covers something else (usually to protect or shelter or conceal it) | Unrelated: inessential: anything that is not essential
Broader: covering: an artifact that covers something else (usually to protect or shelter or conceal it) | Unrelated: creeping zinnia: low-branching leafy annual with flower heads resembling zinnias; found in southwestern United States and Mexico to Guatemala
Broader: covering: an artifact that covers something else (usually to protect or shelter or conceal it) | Unrelated: capromyidae: coypus
Broader: covering: an artifact that covers something else (usually to protect or shelter or conceal it) | Unrelated: surfperch: small to medium-sized shallow-water fishes of the Pacific coast of North America
Broader: covering: an artifact that covers something else (usually to protect or shelter or conceal it) | Unrelated: delta iron: an allotrope of iron that is stable between 1403 degrees centigrade and the melting point (= 1532 degrees)
Broader: covering: an artifact that covers something else (usually to protect or shelter or conceal it) | Unrelated: top: platform surrounding the head of a lower mast
Broader: covering: an artifact that covers something else (usually to protect or shelter or conceal it) | Unrelated: merbromine: a mercurial compound applied topically as an antiseptic; Mercurochrome is the trademark
Broader: covering: an artifact that covers something else (usually to protect or shelter or conceal it) | Unrelated: south southwest: the compass point midway between south and southwest
Broader: covering: an artifact that covers something else (usually to protect or shelter or conceal it) | Unrelated: nausea: the state that precedes vomiting
Broader: covering: an artifact that covers something else (usually to protect or shelter or conceal it) | Unrelated: interestedness: the state of being interested