squeezebox

1. A small, portable, keyed wind instrument, whose tones are generated by play of the wind from a squeezed bellows upon free metallic reeds.
2. A vertical list of items that can be individually expanded and collapsed to reveal their contents.

noun

A therapeutic device designed to apply pressure to the body of a hypersensitive person (usually someone on the autism spectrum) in order to calm them by providing grounding sensory stimulation.

1. A box with an adjustable opening used by cavers to practise crawling through tight spaces.
2. A container that fits tightly around an animal to immobilize it for medical treatment, transportation, etc.