tach

T1A1C3H4
/tæk//tæt͡ʃ/

noun

A hat.

“V-tach”

Similar
Less commonScrabble 9

Meanings

tach1

nountach (plural tachs)

plural tachs

  1. abbreviationclippinginformalClipping of tachometer.

tach2

nountach (plural taches)

plural taches

  1. obsoletecostermongersA hat.

    I have a rorty gal, also a knowing pal, / And merrily together we jog on, / I doesn't care a flatch, as long as I've a tach, / Some pannum for my chest, and a tog on.

    c. 1864, Alfred Peck Stevens, “The Chickaleary Cove”, in Farmer, John Stephen, editor, Musa Pedestris, published 1896, page 161

tach3

nountach (uncountable)
  1. colloquialuncountablemedicineTachycardia.

    V-tach

    1 more example

    wide-complex tach

Synonyms & antonyms

nounmeasuring instrument for indicating speed of rotation

Similar
Broader
measuring instrumentmeasuring systemmeasuring device
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

tach · noun

Backslang for hat (with /tʃ/ substituted for the /h/).

Full word history & related roots →

Rhymes & wordplay

Rhymes with tach

All rhymes →

Anagrams

Cite this entry
APA

tach. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/tach

MLA

“tach.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tach. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “tach,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/tach.

Source: tach on Wiktionary, CC BY-SA 4.0.