TOKEN

Token

In railway signalling, a token is a physical object which a locomotive driver is required to have or see before entering onto a particular section of single track. The token is clearly endorsed with the name of the section it belongs to. A token system is used for single lines because of the very much greater risk of serious collision in the event of irregular working by signalmen or traincrews, than on double lines.

The above text is a snippet from Wikipedia: Token (railway signalling)
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token

Noun

  1. Something serving as an expression of something else; sign, symbol
    According to the Bible, the rainbow is a token of God's covenant with Noah.
  2. A keepsake, momento, souvenir
    Please accept this bustier as a token of our time together.
  3. A piece of stamped metal used as a substitute for money; a voucher that can be exchanged for goods or services
    Subway tokens are being replaced by magnetic cards.
    A book token is the easiest option for a Christmas gift.
  4. Evidence, proof; a confirming detail; physical trace, mark, footprint.
  5. Support for a belief; grounds for an opinion; reason, reasoning, witcraft (see usage)
  6. An extraordinary event serving as evidence of supernatural power, a miracle
  7. An object or disclosure to attest or authenticate the bearer or an instruction; a password
  8. A seal guaranteeing the quality of an item.
  9. Something given or shown as a symbol or guarantee of authority or right; a sign of authenticity, of power, good faith.
  10. A tally
  11. A particular thing to which a concept applies.
  12. An atomic piece of data, such as a word, for which a meaning may be inferred during parsing. Also called a symbol.
  13. A conceptual object that can be possessed by a computer, process, etc. in order to regulate a turn-taking system such as a token ring network.
  14. A lexeme; a basic, grammatically indivisible unit of a language such as a keyword, operator or identifier.
  15. A characteristic sign of a disease or of a bodily disorder, a symptom; a sign of a bodily condition, recovery, or health.
  16. A livid spot upon the body, indicating, or supposed to indicate, the approach of death.
  17. Ten and a half quires, or, commonly, 250 sheets, of paper printed on both sides; also, in some cases, the same number of sheets printed on one side, or half the number printed on both sides.
  18. A bit of leather having a peculiar mark designating a particular miner. Each hewer sends one of these with each corf or tub he has hewn.
  19. A thin bed of coal indicating the existence of a thicker seam at no great distance.
  20. In a loom, a colored signal to show the weaver which shuttle to use.
  21. A piece of metal given beforehand to each person in the congregation who is permitted to partake of the Lord's Supper.

Verb

  1. To betoken, indicate, portend, designate, denote
  2. To betroth
  3. To symbolize, instantiate

Adjective

  1. Done as an indication or a pledge; perfunctory, minimal or merely symbolic.
    He made a token tap on the brake pedal at the stop sign.
  2. a minor attempt for appearance sake, or to minimally comply with a requirement


The above text is a snippet from Wiktionary: token
and as such is available under the Creative Commons Attribution/Share-Alike License.

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