n.
Function: transitive verb
Date: 14th century
1 obsolete : to move along or past the side of : SKIRT
2 : to sail along the shore of
intransitive verb
1 a archaic : to travel on land along a coast or along or past the side of something b : to sail along the shore
2 a : to slide, run, or glide downhill by the force of gravity b : to move along without or as if without further application of propulsive power (as by momentum or gravity) c : to proceed easily without special application of effort or concern < coast ed through school> ― often used with on <a company coast ing on its good reputation>