(idiomatic) In working order, functioning properly. / In a train or on trains. / (horse racing) Racing toward the inside, near the fence that bounds the track.

(video games) Rail-based. / (video games, of a character or object) Constrained to travel along a preset fixed path. / Used other than figuratively or idiomatically: see on, rails.

A horizontal moulding fixed to an interior wall about 4-5 feet above the floor.

A type of curtain rail having a slit along the length at the bottom in which gliders attached to pliable curtains can slide.

(obsolete) A loose robe worn as a nightgown.

(slang) Hail accelerated to high speeds by heavy winds.

A guard railing.

a hand railing attached to a wall

A bird from the family Rallidae, Himantornis haematopus.

a bird from the family Rallidae, Nesoclopeus woodfordi.