(historical) A heavy object used for battering down walls and gates before gunpowder was known.

simple past tense and past participle of ram-pack

Packed by means of high pressure compressing the contents. / Packed or filled tightly; jam-packed.

Resembling RAM (random access memory).

Used other than figuratively or idiomatically: see hydraulic, ram.

plural of RAM pack

A squid-like cephalopod, Spirula spirula (the only extant member of its taxonomic order), found in the deep ocean.

plural of ram's horn squid

(aviation) A small wind turbine mounted on an aircraft and used to generate electrical or hydraulic power from the force of air moving past the aircraft.

plural of ram air turbine