windsail
Noun
Meaning
A wide tube or funnel of canvas, used to convey a stream of air for ventilation into the lower compartments of a vessel.
The sail or vane of a windmill.
Source: en.wiktionary.orgNoun
A wide tube or funnel of canvas, used to convey a stream of air for ventilation into the lower compartments of a vessel.
The sail or vane of a windmill.
Source: en.wiktionary.org