rocker

Noun

rocker (plural rockers)

1. A curved piece of wood attached to the bottom of a rocking chair or cradle that enables it to rock back and forth.
   • The cradle-rockers had done hard duty for so many years, under the weight of so many children, on that flagstone floor, that they were worn nearly flat, in consequence of which a huge jerk accompanied each swing of the cot, flinging the baby from side to side like a weaver's shuttle, as Mrs...1891, Thomas Hardy, Tess of the d'Urbervilles, volume 1, London: James R. Osgood, McIlvaine and Co., page 30
   • "By Jove, old boy," said Cripps, assisting the curate up, "should have warned you about that chair - the infernal rockers are sawn off short, you know."1913, Norman Lindsay, A Curate in Bohemia, Sydney: N.S.W. Bookstall Co., published 1932, page 14
2. A rocking chair.
   • A few days before he turned 80
     He was sittin' out back in a rocker2021, “Buy Dirt”, in Buy Dirt, performed by Jordan Davis
3. The lengthwise curvature of a surfboard. (More rocker is a more curved board.)
   • All modern surfboards share a similar rocker design — Bruce Jones https://web.archive.org/web/20051212041317/http://www.brucejones.com/longboar.htm
4. The breve below as in ḫ.
   • Like the editors of other Elamite texts, I omit the diacritic rocker from h in Elamite and from H in logograms in Elamite texts. I retain the rocker in ḫ and Ḫ in Sumerian and Akkadian.1984, Matthew Wolfgang Stolper, Texts from Tall-i Malyan Elamite Administrative Texts (1972–1974) (Occasional Publications of the Babylonian Fund; 6), University of Pennsylvania Press, →ISBN, page...
   • Although the exact sound value of s remains uncertain, and there is only one such sibiliant in Hittite, it is traditionally transliterated with a so-called haček: š. This should not be taken, however, as evidence that it was a palatal sound (as sh in show). The same is true for the traditional...2011, Theo van den Hout, The Elements of Hittite, Cambridge University Press, →ISBN, page 13
5. Someone passionate about rock music.
6. A musician who plays rock music.
7. (informal) A rock music song.
   • "Girls & Boys" is […] also a tart, sneering rocker, full of ingenious musical gestures […]September 2010, Pitchfork Media, The Top 200 Tracks of the 1990s https://web.archive.org/web/20110218044518/http://pitchfork.com/features/staff-lists/7852-the-top-200-tracks-of-the-1990s-50-21/3
8. One who rocks something.
   • It was I Sir (ſaid the Rocker) who had the honour (ſome thirty years ſince) to attend on your Highneſs in your Infancie, […]1660, Thomas Fuller, “Trusting maketh one Trusty”, in Mixt Contemplations in Better Times, London: […] R[oger] D[aniel] for Iohn Williams, […], →OCLC, page [75]
9. (UK) A member of a British subculture of the 1960s, opposed to the mods, who dressed in black leather and were interested in 1950s music.
10. Any implement or machine working with a rocking motion, such as a trough mounted on rockers for separating gold dust from gravel, etc., by agitation in water.
11. A tool with small teeth that roughens a metal plate to produce tonality in mezzotints.
12. A rocking horse.