(きゅう) (n) (1) {math} sphere; (suf,ctr) (2) counter for balls (in baseball); (P) [EDICT]
(たま) (n) (1) ball; sphere; globe; orb; (2) bead (of sweat, dew, etc.); drop; droplet; (3) (esp. 球) ball (in sports); (4) pile (of noodles, etc.); (5) (esp. 弾; also written as 弾丸) bullet; (6) (esp. 球) bulb (i.e. a light bulb); (7) lens (of glasses, etc.); (8) (esp. 玉,珠) bead (of an abacus); (9) (sl) (abbr) (esp. 玉) (See 金玉・きんたま) ball (i.e. a testicle); (10) (esp. 玉,珠; also written as 璧) gem; jewel (esp. spherical; sometimes used figuratively); pearl; (11) female entertainer (e.g. a geisha); (12) (derog) person (when commenting on their nature); character; (13) item, funds or person used as part of a plot; (n,n-suf) (14) (See 玉子・2) egg; (n-suf) (15) (usu. だま) coin; (16) precious; beautiful; excellent; (P) [EDICT]
(くう) (n) (1) empty air; sky; (2) {Buddh} shunya (emptiness, the lack of an immutable intrinsic nature within any phemomenon); (3) (abbr) (See 空軍) air force; (n,adj-na) (4) fruitlessness; meaninglessness; (5) (See 五大・1) void (one of the five elements) [EDICT]
(そら) (n) sky; the heavens; (P) [EDICT]
(kōng, ㄎㄨㄥ) air; sky; empty; free time; in vain [CE-DICT]
(kòng, ㄎㄨㄥˋ) emptied; leisure [CE-DICT]
中
(じゅう;ぢゅう) (suf) (1) through; throughout; in the course of; (2) all over or throughout (e.g. a place) [EDICT]
(ちゅう) (suf) (1) (See 並・1) medium; average; middle; (2) moderation; (3) (abbr) (See 中一,中学校) middle school; (4) (abbr) (See 中国・1) China; (n-suf) (5) (See 中・じゅう・2) in; out of (e.g. three out of ten people); (6) (See 話し中) during (a certain time when one did or is doing something); under (construction, etc.); while; (P) [EDICT]