Wiktionary
ablute
vb. 1 (context intransitive colloquial English) To wash oneself. (First attested in the Late 19th century.)(R:SOED5: page=5) 2 (context transitive colloquial English) To wash. (First attested in the Late 19th century.)
Usage examples of "ablute".
You can use the ablute and the galley, you show them where those are, and I’ll clear out the passenger cabin.
There was no ablute at all on the Fat Mouth, just chemical wipes and a disgusting old vacuum disposal.