flotation collar

noun — 2 senses

flotation collar

noun
1

Any piece of equipment designed to help a person stay afloat in water and reduce the risk of drowning.

2

Business, Clothing, Fashion, Lifestyle, Manufacturing, Textiles A shirt collar construction method where the interlining is cut to match the collar shape and stitched around the edges to shirt fabric.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.