potboy

Noun

 * 1) A boy employed in a plant nursery to tap clay pots with a stick for their ringing sound – indicating whether the plant required watering.  As the compost would dry out the clay pot would resonate at a different pitch.
 * 2) * GC&HTJ 1985 volume 198 page 17
 * 3) A boy employed as waiter to serve (pots of) drinks, as in a tavern.
 * 4)  A boy or man employed in a public house to collect empty pots or glasses.
 * 1)  A boy or man employed in a public house to collect empty pots or glasses.