inverted hat

noun

A háček.

Meanings

nouninverted hat (plural inverted hats)

plural inverted hats

  1. nonstandardA háček.

    The Gullimots [under latin-1] become T and t with inverted hats under Latin-2, oe and G with an inverted hat under Latin-3.

    2002 November 5th, Richard Proctor, perl.perl6.language, “Re: Unicode operators [Was: Re: UTF-8 and Unicode FAQ, demos]”, message 73
    2 more examples

    In Russian the dentals t, d, s and the velars k, g, x become palatalized to č, ž, š […]. (The inverted hat (haček) represents palatalization.)

    1982, Paul Kiparsky, Explanation in Phonology, page 124

    I’m using PC SAS and would like to get the symbol for infinity in the title of my output. […] When I [hold down the Alt key and enter 236] with SAS, it shows up correctly onscreen; but when it’s printed out, I get an ‘s’ with an inverted hat over it.

    1995 April 30th, Ron Meisenheimer, comp.soft-sys.sas, “ASCII chars and SAS titles”, message 1
  2. nonstandard= breve

    The Gullimots [under latin-1] become T and t with inverted hats under Latin-2, oe and G with an inverted hat under Latin-3.

    2002 November 5th, Richard Proctor, perl.perl6.language, “Re: Unicode operators [Was: Re: UTF-8 and Unicode FAQ, demos]”, message 73
    2 more examples

    evangeʹlical (-nj-) […] The…‘a’ has an inverted hat again; the ‘e’ and ‘i’ in ‘geli’ have inverted hats, making them short.

    1997 October 1st, Ian James Abbott, uk.media.animation.anime, “EVA”, message 26

    Now, one (obviously) has to have the basic ‘Roman’ alphabet. [¶] Then there are all the diacritical markings (accent, accent grave, dot umlaut, ring, bar, ‘hat’, inverted hat, etc.) for vowels.

    2011 November 8th, Robert Bonomi, mailing.freebsd.questions, “‘Unprintable’ 8-bit characters”, message 13

Synonyms & antonyms

Also see

Origin

From its shape, supposed to resemble the profile of a hat turned upside-down.

Full word history & related roots →
Cite this entry
APA

inverted hat. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/inverted%20hat

MLA

“inverted hat.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/inverted%20hat. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “inverted hat,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/inverted%20hat.

Source: inverted hat on Wiktionary, CC BY-SA 4.0.