Loc

//ləʊk// adj, name, noun, verb, slang

adj, name, noun, verb, slang ·Moderate ·High school level

Definitions

Noun
  1. 1
    Initialism of level of consciousness; also LoC. abbreviation, alt-of, countable, initialism, uncountable
  2. 2
    A dreadlock. informal, plural-normally

    "Thinning hair can be especially disconcerting when one is trying to wear 'locs, also known as dreadlocks, which I'd first begun in late 2001. […] I finally fetched the shears and, cringing, cut off each 'loc at the point where new growth was coming in."

  3. 3
    Alternative letter-case form of LOC. alt-of, countable, uncountable
  4. 4
    Clipping of localization. abbreviation, alt-of, clipping, countable, uncountable
  5. 5
    Correspondence, usually a letter, sent to a periodical commenting on either the contents of a previous issue or an earlier letter of comment. dated, slang

    "The first contributor of an accepted new item (not a COA) is entitled to a free issue, as are all other Good People who send in locs, cartoons, etc."

Show 11 more definitions
  1. 6
    Initialism of loss of consciousness; also LoC. abbreviation, alt-of, countable, initialism, uncountable
  2. 7
    Initialism of lines of code. abbreviation, alt-of, initialism
  3. 8
    Initialism of lines of code. abbreviation, alt-of, countable, initialism, uncountable
  4. 9
    Initialism of lab on a chip. abbreviation, alt-of, countable, initialism, uncountable
  5. 10
    Initialism of line of credit; also LoC. abbreviation, alt-of, countable, initialism, uncountable
  6. 11
    Initialism of letter of contract. abbreviation, alt-of, countable, initialism, letter, uncountable
  7. 12
    Initialism of letter of comment; also LoC, loc. abbreviation, alt-of, countable, dated, initialism, letter, slang, uncountable
  8. 13
    Abbreviation of localizer. abbreviation, alt-of, countable, uncountable
  9. 14
    Initialism of loss of control. abbreviation, alt-of, countable, initialism, uncountable

    "WARNING: If CSS is not selected immediately for some 2 EO RTLS contingency abort situations, the vehicle may pitch up and out of control, due to the low thrust-to-weight situation and relatively high dynamic pressure. When a second engine fails, the vehicle will pitch up and try to maintain its trajectory at a lower thrust to weight. However, the dynamic pressure may be too high to maintain this attitude at this angle of attack and the flight control system will quickly become saturated, resulting in LOC."

  10. 15
    Initialism of loss of crew. abbreviation, alt-of, countable, initialism, uncountable
  11. 16
    Line of Control countable, uncountable
Verb
  1. 1
    To style (the hair) in dreadlocks. informal, transitive

    "Dread Head will assist you with temporarily locing your hair."

  2. 2
    To write a letter of comment to a periodical. dated, slang

    "But what happens, since you have spent a couple of weeks with this firm intention to LoC them all in mind, and in many instances you've even check-marked the particular things you want to comment on and thought about just what you want to say, as future issues of fanzines come into your mailbox, you break your fingernails on the staples in your haste to get to them opened so you can turn to the lettercolumn to see if they printed your LoC."

Adjective
  1. 1
    Clipping of loco (“crazy”). US, abbreviation, alt-of, clipping, slang

    "Wassup, can a loc come up in your crib?"

Proper Noun
  1. 1
    Initialism of Library of Congress. abbreviation, alt-of, initialism

Example

More examples

"Another section of the hillside collapsed into a torrent of mud in the nearby Phuoc Loc district, killing three people."

Etymology

Etymology 1

Clipping of dreadlock.

Etymology 2

Abbreviation of letter of comment.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.