溝

(1)a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record)

(2)自然の過程（腐食のような）、あるいは工具によって掘られた（例えば、レコードの溝など）長く狭いくぼみ

(3)a long narrow excavation in the earth

(4)地面に開いた長く狭い穴

(5)any small natural waterway

(6)自然の狭い水路

(7)a conspicuous disparity or difference as between two figures; "gap between income and outgo"; "the spread between lending and borrowing costs"

(8)2つ数字の間の顕著なずれまたは違い

(9)a channel along the eaves or on the roof; collects and carries away rainwater

(10)軒に沿った、または、屋根にある導水路

(11)雨水を集めて運び去る

(12)(anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain

(13)器官や組織の狭い溝、特に脳表面の脳回を表す溝