registered adjective
1 a : having the owner's name entered in an official list or register
▪ a registered trademark/security
b : having your name entered in an official list or register
▪ Are you a registered voter? 2 : sent by registered mail
▪ a registered letter
▪ a registered trademark/security
b : having your name entered in an official list or register
▪ Are you a registered voter?
▪ a registered letter
