cosplay cosplay /ˈkɒzˌpleɪ/

noun

1. The practice of dressing oneself as a (usually fictional) character to attend a social event  ( cosplay )
   the practice of dressing oneself as a (usually fictional) character to attend a social event
   

verb

1. Wear a costume to resemble a character from some media especially anime  ( cosplay )
   wear a costume to resemble a character from some media especially anime