Strong's #7367: rachtsah (pronounced rakh-tsaw')

feminine of 7366; a bathing place:--washing.

Brown-Driver-Briggs Hebrew Lexicon:

rachtsâh

1) washing

Part of Speech: noun feminine

Relation: from H7366

Usage:

This word is used 2 times:

 

Song of Solomon 4:2: "of sheep that are even shorn, which came up from the washing; whereof every one bear twins,"
Song of Solomon 6:6: "of sheep which go up from the washing, whereof every one beareth twins,"