1. speedcube - Noun
2. speedcube - Verb
speedcube (plural speedcubes)
A puzzle identical in form and function to a Rubik's Cube but often having a different internal mechanism, and designed for optimal speed of use.
speedcube (third-person singular simple present speedcubes, present participle speedcubing, simple past and past participle speedcubed)
(rare) To engage in speedcubing, the sport of solving a Rubik's Cube at high speed