topcase
nounEtymology From top + case.
1
Synonym of trunk (“storage compartment fitted behind the seat of a motorcycle, sometimes on bycicles or other vehicules”).
- One prototype was also fitted with a combination topcase/passenger backrest, while the other sported a variation on the R1200C's flip-up setup.2002, Cycle World Magazine (volume 41, numbers 1-3, page 28)