Colis \c(o)-lis\ as a boy's name is a variant of Collier (Old English), and the meaning of Colis is "coal miner".
The baby name Colis sounds like Collis and Colas. Other similar baby names are Colin, Louis, Callis, Colum, Colm, Cris, Clovis, Colt, Cole, Colby, Colbie, Coley, Colyn, Colle, Col, Colan, Coll, Colla, Collie, Colier, Collin, Collins, Comus, Corliss, Ellis, Elis, Hollis and Colet.