(n) (1) ball
(2) bowl
(3) (abbr) board (e.g. cardboard, pasteboard)
(P)
(n) vault
(n,adj-no) bold
(P)
(n) cardboard
pasteboard
(n) cardboard box
carton
(n) boor-bank drilling machine
(n) (corrugated) cardboard
(P)
(n) (corrugated) cardboard
(n) high-ball
(n) passed ball (baseball)
catcher's error
(n) pinball
(n) Boulder (Colorado)
(n) (comp) boldface
(n) ball-point pen (wasei: ball pen)
(P)
(n) ball game
playing catch
(n) ball bomb
(n) ball playing
(n) ball screw
(n) (comp) metaball
(n) cardboard box
(n) edge ball
(n) oil ball
(n) kickball
(n) gate ball (game similar to croquet)
(P)
(n) golf ball
(n) signed ball
(n) salad-bowl
(n) slowball
(n) softball
(P)
(n) tennis ball