Noun pin has 11 senses
  1. pin - a piece of jewelry that is pinned onto the wearer's garment
    --1 is a kind of
    jewelry, jewellery
    --1 has particulars:
     brooch, broach, breastpin; scatter pin; stickpin; tie tack, tiepin, scarfpin
  2. fall, pin - when a wrestler's shoulders are forced to the mat
    --2 is a kind of victory, triumph
    --2 is a part of wrestling match
    --2 has particulars: takedown
  3. peg, pin - small markers inserted into a surface to mark scores or define locations etc.
    --3 is a kind of marker, marking, mark
  4. personal identification number, PIN, PIN number - a number you choose and use to gain access to various accounts
    --4 is a kind of number, identification number
  5. pin, peg, stick - informal terms of the leg; "fever left him weak on his sticks"
    --5 is a kind of leg
  6. pivot, pin - axis consisting of a short shaft that supports something that turns
    --6 is a kind of axis, axis of rotation
    --6 has particulars: fulcrum; pintle
  7. pin - cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown
    --7 is a kind of
    --7 is a part of cylinder lock
  8. pin, flag - flagpole used to mark the position of the hole on a golf green
    --8 is a kind of golf equipment
  9. pin - a small slender (often pointed) piece of wood or metal used to support or fasten or attach things
    --9 is a kind of
    fastener, fastening, holdfast, fixing
    --9 has parts: head; pinhead; point; shank, stem
    --9 has particulars:
     barrette; bitt pin; hairpin; hatpin; linchpin, lynchpin; peg, nog; rivet; safety pin; skewer; straight pin; wrist pin, gudgeon pin
    Derived forms: verb pin3, verb pin2
  10. peg, pin, thole, tholepin, rowlock, oarlock - a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing
    --10 is a kind of holder
    --10 is a part of dinghy, dory, rowboat
  11. bowling pin, pin - a club-shaped wooden object used in bowling; set up in groups as a target
    --11 is a kind of bowling equipment
    --11 has particulars:
     duckpin; headpin, kingpin; ninepin, skittle, skittle pin; tenpin
,Verb pin has 4 senses
  1. trap, pin, immobilize, immobilise - to hold fast or prevent from moving; "The child was pinned under the fallen tree"
    Sample sentence:
    The fighter managed to pin his opponent
  2. pin - attach or fasten with pins
    --2 is one way to
    fasten, fix, secure
    Antonyms: unpin
    Derived form: noun pin9
    Sample sentence:
    Somebody ----s something PP
  3. pin - pierce with a pin; "pin down the butterfly"
    --3 is one way to
    transfix, impale, empale, spike
    Derived form: noun pin9
    Sample sentences:
    Somebody ----s something
    Somebody ----s somebody
    Something ----s somebody
    Something ----s something
  4. pin - immobilize a piece
    --4 is one way to
    attack, aggress
    Sample sentence:
    Somebody ----s something