Term: cardboard: a stiff moderately thick paper
Broader: packing material: any material used especially to protect something | Unrelated: zoot suit: a flashy suit of extreme cut
Broader: packing material: any material used especially to protect something | Unrelated: australian coral snake: small venomous but harmless snake marked with black-and-white on red
Broader: packing material: any material used especially to protect something | Unrelated: butt hinge: a hinge mortised flush into the edge of the door and jamb
Broader: packing material: any material used especially to protect something | Unrelated: association: (chemistry) any process of combination (especially in solution) that depends on relatively weak chemical bonding
Broader: packing material: any material used especially to protect something | Unrelated: camp follower: a prostitute who provides service to military personnel
Broader: packing material: any material used especially to protect something | Unrelated: cinchona tree: small tree of Ecuador and Peru having very large glossy leaves and large panicles of fragrant pink flowers; cultivated for its medicinal bark
Broader: packing material: any material used especially to protect something | Unrelated: cervicitis: inflammation of the uterine cervix
Broader: packing material: any material used especially to protect something | Unrelated: cellblock: a division of a prison (usually consisting of several cells)
Broader: packing material: any material used especially to protect something | Unrelated: rest: euphemisms for death (based on an analogy between lying in a bed and in a tomb)
Broader: packing material: any material used especially to protect something | Unrelated: ceratopteris: water ferns