ゆせん

I

ゆせん【湯煎】

warming sth in a vessel in hot water.

～する warm the vessel containing sth in hot water.

●バターを湯煎にして溶かす melt [soften] butter (on a plate) over a bowl of hot water.

II

ゆせん【湯銭】

a bathhouse charge; the bath money; a charge for a bath.