(humorous) Synonym of rocket scientist (“someone qualified to understand or handle that which is overly complex, detailed or confusing”)

A multistage rocket.

plural of rocket artillery

(military) Artillery that uses rockets as projectiles, instead of shells or shot; artillery composed of rocket launchers instead of guns.

A collection of rockets standing upright on display outdoors

(programming) The operator =>, used in the Ruby programming language to create hashes.

plural of rocket garden

A modern hand-held weapons system, comprising a launcher that fires a small explosive rocket. / The explosive rocket weapon component of such a system.

(malapropism) Barmy; crazy; insane.

(astronautics) a rocket with a thermal gas exhaust engine, whereby the thermal fluid is heated by the nuclear reactor