A person, typically a laundry worker or textile craftsperson, who applies clearstarch to fabrics to stiffen and finish them.
From 'clearstarch' plus '-er' (Old English suffix for agent nouns). A professional occupation in the textile and laundry industries, particularly common in the 1700s-1900s.
This job has almost completely vanished from the modern economy—there are probably no professional 'clearstarchers' left in the world, making it a linguistic fossil of an extinct occupation.
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