Noun holdfast has 1 sense
  1. fastener, fastening, holdfast, fixing - restraint that attaches to something or holds something in place
    --1 is a kind of restraint, constraint
    --1 has particulars:
     bellyband; buckle; button; carabiner, karabiner, snap ring; catch; clasp; cleat; clinch; clip; clothespin, clothes pin, clothes peg; corrugated fastener, wiggle nail; cotter, cottar; cringle, eyelet, loop, grommet, grummet; dowel, dowel pin, joggle; fillet, stopping; hook and eye; knot; lashing; link, linkup, tie, tie-in; lock; locker; nail; nut and bolt; paper fastener; pin; screw; seal; sealing wax, seal; slide fastener, zip, zipper, zip-fastener; snap, snap fastener, press stud; toggle; toggle bolt
    Derived form: verb hold fast1
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