COSTUMER
costumier, costumer, costume designer
(noun) someone who designs or supplies costumes (as for a play or masquerade)
Source: WordNet® 3.1
Etymology
Noun
costumer (plural costumers)
A person who designs, makes or supplies theatrical costumes; a costumier.
A person who wears a costume or takes part in cosplay.
(informal) A costume drama.
Synonyms
• costumier
Anagrams
• customer
Source: Wiktionary
Cos"tum`er (-tm`r), n.
Definition: One who makes or deals in costumes, as for theaters, fancy
balls, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition