swatch

/S W AA1 CH/
noun
  1. 1

    A piece, pattern, or sample, generally of cloth or a similar material.

    โ€œHe held a swatch of the wallpaper up to see if the colors would match the room.โ€

  2. 2

    A selection of such samples bound together.

  3. 3

    A clump or portion of something.

  4. 4

    A demonstration, an example, a proof.

  5. 5

    A tag or other small object attached to another item as a means of identifying its owner; a tally; specifically the counterfoil of a tally.

verb
  1. 1

    To create a swatch, especially a sample of knitted fabric.

    โ€œSwatching is important in knitting to obtain the correct gauge.โ€

noun
  1. 1

    A channel or passage of water between sandbanks, or between a sandbank and a seashore.

Source: https://en.wiktionary.org/wiki/swatch