What does "potboy" mean?

A boy employed in a plant nursery to tap clay pots with a stick for their ringing sound, indicating whether the plant required watering.

What is a synonym for "potboy"?

Common synonyms include: potman.

noun

noun ·Rare ·Advanced level

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.
"GC&HTJ 1985 volume 198 page 17"
2
a male worker in an inn or public house who serves customers and does various chores wordnet
3
A boy employed as waiter to serve (pots of) drinks, as in a tavern.
"I put on my kitchen potboy disguise and rode down to B-1 in an elevator that smelled like chicken soup, barbecue sauce, and Jack Daniel's."
4
A boy or man employed in a public house to collect empty pots or glasses. British
"(“Hoo-roa,” ejaculates a pot-boy in a parenthesis, “put the kye-bosh on her, Mary.”)"