A pair of parallel rails along which a railway train runs.

(nautical) A line that cuts all meridians at the same angle, the path of a vessel that maintains a constant compass direction.

One who lauds (communicates high praises) / A follower of Archbishop William Laud

(music) Either a continuous sliding from one pitch to another (true glissando), or an incidental scale played while moving from one melodic note to another (effective glissando).