c. 1200, "glass vial to receive urine for medical inspection," from Old French urinal, from Late Latin urinal, from urinalis (adj.) "relating to urine," from Latin urina (see urine). Meaning "chamber pot" is from late 15c. Modern sense of "fixture for urinating (for men)" is attested from 1851.[urinal etymology, urinal origin, 英语词源]