rocker

noun

1. 1

   A curved piece of wood attached to the bottom of a rocking chair or cradle that enables it to rock back and forth.

   "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."

2. 2

   A rocking chair.

   A few days before he turned 80 He was sittin' out back in a rocker

3. 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. 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.

   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 “rocker” under the laryngeal ḫ: there is no other h-sign, and the diacritic is not strictly necessary.

   Semitistic transliteration systems […] a number of features are common to most of them: […] ḫ (“h” with a “rocker,” conventionally called “hooked h”) for the voiceless velar/uvular fricative, IPA [x]/[χ], […]

5. 5

   Someone passionate about rock music.

6. 6

   A musician who plays rock music.

7. 7

   informalA rock music song.

   "Girls & Boys" is […] also a tart, sneering rocker, full of ingenious musical gestures […]

8. 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, […]

9. 9

   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. 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. 11

    A tool with small teeth that roughens a metal plate to produce tonality in mezzotints.

12. 12

    A rocking horse.

13. 13

    A rocker board.

14. 14

    A skate with a curved blade, somewhat resembling in shape the rocker of a cradle.

15. 15

    A kind of electrical switch with a spring-loaded actuator.

16. 16

    A rock shaft.

17. 17

    A curved line accompanying the chevrons that denote rank, qualifying the rank with a grade.

    Cadet Sergeant First Class: 3 Chevrons and 2 rockers. Cadet Master Sergeant: 3 Chevrons and 3 rockers. Cadet First Sergeant: 3 Chevrons, 3 rockers with a diamond inset.

Forms

plural

rockers