1. (n.) A short recreational journey\; a running or going out or forth; an expedition; a sally.

2. (n.) A journey chiefly for recreation; a pleasure trip; a brief tour; as, an excursion into the country.

3. (n.) A wandering from a subject; digression.

4. (p. p.) Length of stroke, as of a piston; stroke. [An awkward use of the word.]

aberrancy aberration airing ambages aside bend bias branching off bypass bypath byway campaign circling circuit circuition circuitousness circuitry circularity circulation circumambience circumambiency circumambulation circumbendibus circumflexion circumlocution circummigration circumnavigation corner course crook crosswiseness cruise curve declination deflection deflexure departure detour deviance deviancy deviation deviousness diagonality digression discursion divagation divarication divergence diversion dogleg double drift drifting drive episode errantry excursus exorbitation expedition grand tour gyre gyring hairpin hike indirection indirectness jaunt journey junket lionism meandering nonconformity obliqueness obliquity orbit orbiting outing package tour parenthesis peregrination pererration pilgrimage pleasure trip progress ramble rambling ride round trip roundabout roundabout way roundaboutness rounding rubberneck tour run safari sail sally sheer shift shifting shifting course shifting path shoot side path side road sidetrack sight-seeing skew skewness slant spiral spiraling squint stalk straying stroll sweep swerve swerving swinging tack tour transverseness trek trip turn turning twist vagary variation veer voyage walk walkabout wandering warp wheeling yaw zigzag