ridge
https://gyazo.com/e71de4d9382623d3b1bdec557dde066d
noun
a long narrow hilltop, mountain range, or watershed:
山の背; 分水嶺
e.g. the northeast ridge of Everest.
the line or edge formed where the two sloping sides of a roof meet at the top.
Meteorology an elongated region of high atmospheric pressure.
〘気象〙 (天気図で)高気圧の張出し部
a narrow raised band running along or across a surface:
(表面の細長い)隆起部; 尾根, (屋根の)棟; (動物の)背, 背すじ; (靴底の)刻み目
e.g. buff your nails in order to smooth ridges.
a raised strip of arable land, especially (in medieval open fields) one of a set separated by furrows.
畝
verb with object (often as adjective ridged)
mark with or form into narrow raised bands:
…を隆起させる
e.g. the ridged sand of the beach.
no object (of a surface) form into or rise up as a narrow raised band:
畝をなす, (畝状に)隆起する
e.g. the crust of the earth ridged.
form (arable land) into raised strips separated by furrows:
…に棟［畝］を付ける
e.g. a field plowed in narrow stretches that are ridged up slightly.
DERIVATIVES
ridgy |ˈrijē| adjective
ORIGIN
Old English hrycg‘spine, crest’, of Germanic origin; related to Dutch rug and German Rücken ‘back’.