Trails —
noun pl. 1. Things that are drawn along or follow
behind; things that follow
in the wake of another
thing. 2.
Succession of things that come afterward or are left behind. 3. Marks or traces left by something else that has
been
moved by or passed along. 4. Marked or beaten paths, such as through a wilderness, esp. routes made by repeated
passages. 5. Tracks, scents, or other indications or signs left by people or animals or other things, esp. when
being
followed by a pursuer. 6.
(Obs) Latticed structures, gratings, or grillworks. 7.
(Astron) Lines or traces
produced by
the motion of the images of stars during photographic exposure. 8.
(Colloq, rare)
Befoolings (from C. Bronte,
1847). 9.
(Med slang) Palinopsia or after-images. 10.
(Drug slang, 1960s-present)
After-images of objects of objects of
objects
that may appear to a person who's taken a sufficient amount of LSD or another or another psychedelic drug that
produces
visual hallucinations.
— Alexander Parritt's Cumulative Interdisciplinary Dictionary
(20th
edition, Obewon, 1991)