rockeredadj.

Brit.

/ˈrɒkəd/, U.S.

/ˈrɑkərd/

Origin: Formed within English, by derivation. Etymons: rocker n.¹, -ed suffix².

Etymology: < rocker n.¹ + -ed suffix².

1. Of the keel of a boat: curving upwards at each end. Also (of a boat): having a keel of this kind. Cf. rocker n.¹ 9b.

ΚΠ

1878 D. Kemp Man. Yacht & Boat Sailing ii. 16 At the present time most designers of racing yachts prefer the rockered keel.

1880 D. Kemp Neison's Pract. Boat-Building 67 The rockered keel curves downwards, or the reverse way to the cambered keel.

1930 T. D. Kendrick Hist. Vikings Introd. 24 It was to this type of boat,..with a deep rockered keel and a steep sheer, that the viking shipbuilder always remained faithful.

1978 R. Bridge Compl. Canoeist's Guide i. 20 An unrockered boat will lie flat through the length of the boat, until the points where the ends start to curve up... A rockered boat will begin to curve up much nearer the center.

1990 Star-Ledger (Newark, New Jersey) 25 Feb. ii. 1/3 They are a far cry from the open, 15-foot beach skiffs of the 1850s with their round bilges, sloping transoms and rockered plank keels.

2. Of an ice skate: having a blade which curves upwards at each end. Also (of a roller skate): having the wheels arranged in a similar, curved shape. Cf. rocker n.¹ 9a.

ΚΠ

1895 Outing 27 200/2 A twelve-inch skate, rockered.

1914 St. Nicholas Feb. 329/2 If you would get a pair of rockered blades, of moderate length, and learn the edges, eights, and a few other stunts, you could have lots of fun on an acre of ice.

1995 Daily Mail Holiday Action Summer 24/2 To achieve manoeuvrability at the expense of stability, the skates are rockered—adjusted so that the middle wheels are lower than the front and rear.

2001 Star Phoenix (Saskatoon, Sask.) (Nexis) 4 June c1 His antiquated skates are ageless. Their leather remains supple; the rockered blades still shine.

3. Of a surfboard: curving upwards at the nose and tail. Frequently with modifying word indicating the degree of upward curvature. Cf. rocker n.¹ 9c.

ΚΠ

1981 Acad. Amer. Encycl. XVIII. 359/1 The boards are slightly rockered so that the middle is lower than the nose or tail.

1999 Boards May 41/1 It also benefits from its design in waves and chop, since it jumps better than the others due to the smaller, more highly rockered nose.

2007 G. Motil Surfboards 144/1 The surfboard was so lightly rockered in its natural state that it was capable of exhibiting negative rocker during extreme duress in the water.

This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).

单词	rockered
释义	rockeredadj. Brit. /ˈrɒkəd/, U.S. /ˈrɑkərd/ Origin: Formed within English, by derivation. Etymons: rocker n.¹, -ed suffix². Etymology: < rocker n.¹ + -ed suffix². 1. Of the keel of a boat: curving upwards at each end. Also (of a boat): having a keel of this kind. Cf. rocker n.¹ 9b. ΚΠ 1878 D. Kemp Man. Yacht & Boat Sailing ii. 16 At the present time most designers of racing yachts prefer the rockered keel. 1880 D. Kemp Neison's Pract. Boat-Building 67 The rockered keel curves downwards, or the reverse way to the cambered keel. 1930 T. D. Kendrick Hist. Vikings Introd. 24 It was to this type of boat,..with a deep rockered keel and a steep sheer, that the viking shipbuilder always remained faithful. 1978 R. Bridge Compl. Canoeist's Guide i. 20 An unrockered boat will lie flat through the length of the boat, until the points where the ends start to curve up... A rockered boat will begin to curve up much nearer the center. 1990 Star-Ledger (Newark, New Jersey) 25 Feb. ii. 1/3 They are a far cry from the open, 15-foot beach skiffs of the 1850s with their round bilges, sloping transoms and rockered plank keels. 2. Of an ice skate: having a blade which curves upwards at each end. Also (of a roller skate): having the wheels arranged in a similar, curved shape. Cf. rocker n.¹ 9a. ΚΠ 1895 Outing 27 200/2 A twelve-inch skate, rockered. 1914 St. Nicholas Feb. 329/2 If you would get a pair of rockered blades, of moderate length, and learn the edges, eights, and a few other stunts, you could have lots of fun on an acre of ice. 1995 Daily Mail Holiday Action Summer 24/2 To achieve manoeuvrability at the expense of stability, the skates are rockered—adjusted so that the middle wheels are lower than the front and rear. 2001 Star Phoenix (Saskatoon, Sask.) (Nexis) 4 June c1 His antiquated skates are ageless. Their leather remains supple; the rockered blades still shine. 3. Of a surfboard: curving upwards at the nose and tail. Frequently with modifying word indicating the degree of upward curvature. Cf. rocker n.¹ 9c. ΚΠ 1981 Acad. Amer. Encycl. XVIII. 359/1 The boards are slightly rockered so that the middle is lower than the nose or tail. 1999 Boards May 41/1 It also benefits from its design in waves and chop, since it jumps better than the others due to the smaller, more highly rockered nose. 2007 G. Motil Surfboards 144/1 The surfboard was so lightly rockered in its natural state that it was capable of exhibiting negative rocker during extreme duress in the water. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < adj.1878
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