[そら, sora] (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)#1345
[えんがちょきった, engachokitta] (exp) (chn) (See えんがちょ・1) phrase used (usu. with accompanying crossed fingers gesture) to ward off catching 'dirtiness' from another child