A trail is an unpaved path, like the narrow trail you follow through the woods on your hike. A trail can also be a series of clues that are left behind, also forming a kind of path.

You can walk along a trail, and you can also follow a trail: "My little brother left a trail of cracker crumbs behind him, so I found him right away." When you trail, you move slowly behind something or someone, or you drag something on the ground: "She sadly trails her deflated balloon behind her." You also might trail someone you're chasing: "My dog likes to trail squirrels around the yard."

Definitions of trail
  1. noun
    a path or track roughly blazed through wild or hilly country
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    Iditarod Trail
    a trail that extends 1,100 miles from Anchorage over the Alaska Range to Nome
    Santa Fe Trail
    a trail that extends from Missouri to New Mexico; an important route for settlers moving west in the 19th century
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    cattle trail
    a trail over which cattle were driven to market
    deer trail
    a trail worn by the passage of deer
    a trail for horses
    Indian trail
    a trail through the wilderness worn by Amerindians
    mountain trail
    a trail through mountainous country
    ski run, ski trail
    trail or slope prepared for skiing
    a ski run densely packed with snow
    type of:
    cart track, cartroad, track
    any road or path affording passage especially a rough one
  2. noun
    a track or mark left by something that has passed
    “a tear left its trail on her cheek”
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    the trail of an animal (especially a deer)
    the trail left by a person or an animal; what the hunter follows in pursuing game
    type of:
    course, path, track
    a line or route along which something travels or moves
  3. noun
    evidence pointing to a possible solution
    synonyms: lead, track
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    type of:
    evidence, grounds
    your basis for belief or disbelief; knowledge on which to base belief
  4. verb
    lag or linger behind
    synonyms: drag, drop back, drop behind, get behind, hang back
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    type of:
    dawdle, fall back, fall behind, lag
    hang (back) or fall (behind) in movement, progress, development, etc.
  5. verb
    move, proceed, or walk draggingly or slowly
    “John trailed behind his class mates”
    “The Mercedes trailed behind the horse cart”
    synonyms: shack
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    type of:
    go, locomote, move, travel
    change location; move, travel, or proceed, also metaphorically
  6. verb
    go after with the intent to catch
    synonyms: chase, chase after, dog, give chase, go after, tag, tail, track
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    chase an animal up a tree
    search the trail of (game)
    hound, hunt, trace
    pursue or chase relentlessly
    run down
    pursue until captured
    hound or harry relentlessly
    type of:
    follow, pursue
    follow in or as if in pursuit
  7. verb
    hang down so as to drag along the ground
    “The bride's veiled trailed along the ground”
    drag loosely along a surface; allow to sweep the ground
  8. verb
    drag loosely along a surface; allow to sweep the ground
    “The toddler was trailing his pants”
    synonyms: train
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    type of:
    pull, as against a resistance
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