sake decanter
A traditional vessel for serving sake, often with a long handle and spout.
Pour hot sake from the decanter.
I poured him some sake using the chōshi.
Warm the sake by placing the chōshi in hot water.
本 is used because 銚子 (a sake vessel) is long and slender in shape.
Standard kanji spelling for a sake decanter.
The kanji 銚 (chō) originally referred to a type of pot or kettle, and 子 (shi) is a nominal suffix. The exact historical derivation is uncertain.