squeeze box

Noun

Meaning

(caving) A box with an adjustable opening used by cavers to practise crawling through tight spaces.

(veterinary medicine) A container that fits tightly around an animal to immobilize it for medical treatment, transportation, etc.

Alternative form of squeezebox (“musical instrument”).

Synonym of hug machine or hugbox.

Source: en.wiktionary.org

squeeze-box

bandoneon hugbox