tach
noun/tæk/
1
Medicine, Sciences Colloquial Tachycardia.
- wide-complex tach
- V-tach
- Derived terms
- v-tach
tach
noun/tæt͡ʃ/
Etymology Backslang for hat (with /tʃ/ substituted for the /h/).
1
Obsolete A 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: