different between whalebone vs probang

English

whale +? bone

whalebone (countable and uncountable, plural whalebones)

The horny material from the fringed plates of the upper jaw of baleen whales that are used to filter plankton; once used as stays in corsets

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

probang (plural probangs)

A slender elastic rod, as of whalebone, with a sponge on the end, for removing obstructions from the oesophagus, etc.

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