Refers to a low-ranking servant or attendant, often in a historical or feudal context. Can carry a derogatory nuance when used in modern speech.
He worked as a servant at the castle.
That man is treated just like a menial.
vulgar language; low-class speech
Composed of 下 (lower, under) and 郎 (man, son). The exact historical derivation is uncertain, but the combination conveys the idea of a low-status male servant.