christen
chris.ten \'kris-*n\ \'kris-nin\ vt or chris.ten.ing [ME cristnen, fr. OE cristnian, fr. cristen Christian, fr. L]christianus 1a: BAPTIZE 1b: to name at baptism 2: to name or dedicate (as a ship) by a ceremony suggestive of baptism 3: DENOMINATE 4: to use for the first time