noun - a vehicle that moves down an icy track at great speed; a winter sport in which teams race down an ice-covered track in a small, streamlined vehicle with runners
noun, American English - a vehicle that moves down an icy track at great speed; a winter sport in which teams race down an ice-covered track in a small, streamlined vehicle with runners
noun, technical - a device or a part of a machine consisting of a bar or wheel with a set of angled teeth, allowing motion in one direction only, used in tools or mechanisms
noun - the lines or rows of stitches that have been made in sewing or embroidery
noun, technical - a medical doctor specializing in the diagnosis and treatment of eye disorders and diseases