球

(1)round object that is hit or thrown or kicked in games; "the ball travelled 90 mph on his serve"; "the mayor threw out the first ball"; "the ball rolled into the corner pocket"

(2)ゲームで打ったり、投げたり、蹴ったりする球体

(3)a three-dimensional closed surface such that every point on the surface is equidistant from the center

(4)表面上の点が中心からすべて等距離にある3次元の閉じた面

(5)a spherical object used as a plaything; "he played with his rubber ball in the bathtub"

(6)おもちゃとして使用される球体

(7)a solid figure bounded by a spherical surface (including the space it encloses)

(8)球面（それが囲む空間を含む）に囲まれている立体図形

(9)a sphere on which a map (especially of the earth) is represented

(10)ある地図が（特に地球の）表現される球体

(11)a pitch that is not in the strike zone; "he threw nine straight balls before the manager yanked him"

(12)ストライク・ゾーンから外れた投球

(13)a rounded dilation or expansion in a canal or vessel or organ

(14)管や血管、組織の中で丸く膨張あるいは拡張したもの

(15)an object with a spherical shape; "a ball of fire"

(16)球の形をした物体

(17)any spherically shaped artifact

(18)球形をした人工物