UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈɡrɒmɪt/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ˈgrɑmɪt, ˈgrʌm-/ ,USA pronunciation: respelling(gromit)

WordReference Random House Learner's Dictionary of American English © 2020
grom•met /ˈgrɑmɪt, ˈgrʌm-/USA pronunciation   n. [countable]
  1. Mechanical Engineering, Naval Termsa ring or washer, esp. one used as a small hole protecting material where a rope passes.

WordReference Random House Unabridged Dictionary of American English © 2020
grom•met  (gromit),USA pronunciation n. 
  1. [Mach.]
    • any of various rings or eyelets of metal or the like.
    • an insulated washer of rubber or plastic, inserted in a hole in a metal part to prevent grounding of a wire passing through the hole.
  2. [Naut.]
    • a ring or strop of fiber or wire;
    • a ring having a thickness of three strands, made by forming a loop of a single strand, then laying the ends around the loop.
    • a ring of fiber used as a seal or gasket, as under the head of a bolt.
  3. a washer or packing for sealing joints between sections of pipe.
  4. Militarya stiff ring of rubber or metal inside the top of a service cap, designed to keep the top of the cap stretched flat.
  5. Clothinga metal-bound eyelet in cloth, sometimes used decoratively, as on a garment.

  1. to fasten with a grommet.
Also,  grummet. 
  • ?
  • obsolete French gromette curb of bridle
  • 1620–30

Collins Concise English Dictionary © HarperCollins Publishers::
grommet /ˈɡrɒmɪt/, grummet n
  1. a ring of rubber or plastic or a metal eyelet designed to line a hole to prevent a cable or pipe passed through it from chafing
  2. a small tube inserted into the eardrum in cases of glue ear in order to allow air to enter the middle ear
  3. Austral informal a young or inexperienced surfer
Etymology: 15th Century: from obsolete French gourmette chain linking the ends of a bit, from gourmer bridle, of unknown origin
'grommet' also found in these entries:

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