trailing (Noun) — The pursuit (of a person or animal) by following tracks or marks they left behind.
trailing (Verb) — To lag or linger behind. ex. "But in so many other areas we still are trailing"
trailing (Verb) — Go after with the intent to catch. ex. "The policeman trailed the mugger down the alley"
trailing (Verb) — Move, proceed, or walk draggingly or slowly. ex. "The Mercedes trailed behind the horse cart" ex. "John trailed behind his class mates"
trailing (Verb) — Hang down so as to drag along the ground. ex. "The bride's veil trailed along the ground"
trailing (Verb) — Drag loosely along a surface; allow to sweep the ground. ex. "The toddler was trailing his pants"
trailing (Verb) — Show a trailer; release or publish a preview.