gill

noun9

1. •
   A breathing organ of fish and other aquatic animals.

   • Fishes […] perform their respiration under water by the gills. — 1691
2. •
   A gill slit or gill cover.

   • Gill nets are designed to catch a fish by the gills.
3. •
   One of the radial folds on the underside of the cap of a mushroom, the surface of which bears the spore-producing organs.
4. •
   The fleshy flap that hangs below the beak of a fowl; a wattle.
5. •
   (figurative) The flesh under or about the chin; a wattle.

   • dropsy fills you to the gills — 1728
6. •
   (UK) A rivulet, small stream.
7. •
   (UK) A ravine.
8. •
   One of the combs of closely ranged steel pins which divide the ribbons of flax fiber or wool into fewer parallel filaments.
9. •
   A two-wheeled frame for transporting timber.

verb3

1. •
   To remove the gills from a fish as part of gutting and cleaning it.

   • She gutted and gilled the fish, then scaled it. — 2014
2. •
   To catch (a fish) in a gillnet.

   • Owing to the peculiar shape of the pompano and the relatively large mesh in the pompano gill nets, the fish are not caught by being actually gilled. — 1898
3. •
   To be or become entangled in a gillnet.

   • Since the fine threads of the net usually are caught under the gill covers of the fish they are said to be "gilled." — 1926

noun8

1. •
   Any of several units of volume, most of which are a quarter of a pint or near to that amount.
2. •
   A drink measure for spirits and wine, a quarter of an imperial pint or near to that amount, but varying regionally.
3. •
   (US, old-fashioned) A unit of measure equal to 4 US fluid ounces (half a cup, a quarter of a US pint), approximately 118 milliliters.
4. •
   (disapproving, no longer used) A promiscuous woman; harlot, wanton.
5. •
   (no longer used) A prostitute.

   • Gill comes from the Knight, that did so seek / To gaine her love; she's hir'd for a week. — 1646
6. •
   (UK, no longer used) A measuring jug holding a quarter or half a pint.
7. •
   (no longer used) gill-over-the-ground: ground ivy.
8. •
   (no longer used) gill-ale: an ale made with ground ivy among its ingredients.

verb1

1. •
   (no longer used) To act as a prostitute.

   • Comme proprement le fine of my Designs dey make; / Dam gilling Whore / Et Louis d'or — 1719

noun1

1. •
   Someone connected with Gillingham Football Club, as a fan, player, coach etc.