This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. In pharmacy, soap.

n. In ichthyology, the toad-fish, Batrachus tau. Also sarpo.

n. Soap prepared from sodium hydroxid and olive oil; castile soap.

"Eye-watering ingredients were recommended for these dyes, from leeches soaked in red wine to dye one’s tresses black, to an alkaline mixture of goat’s fat and beechwood ash known as sapo to lighten them."

Swe.    uminho    imasmi    fiu    three-to-eleven