(idiomatic, psychiatry) A cell lined with cushions used for confinement of a mentally disturbed person.

(aviation, informal) In a commercial passenger airliner, the dense, forest-like profusion of suspended tubes, straps, bags, and masks which results when large numbers of oxygen masks are deployed.

(chemistry) a flexible rubber scraper attached to a glass rod, used in chemistry laboratories for amalgamating and transferring solid residues in gravimetric analysis.

a ring or tube made of rubber, in particular a circular air-filled tube used as an aid to swimming

Ficus elastica, a tropical tree used as a houseplant native to Asia. / A tree which can produce latex, a rubber tree, including Hevea brasiliensis.

An adhesive made from elastic polymers (typically latex) mixed in a solvent to keep them fluid enough to be used.

plural of butyl rubber

plural of dead rubber

plural of rubber policeman

plural of rubber jungle