heating empty cookware (as when forgetting to put water in a kettle, pot, etc.); dry heating cookware

spring sky, especially clear sky in spring

summer sky, especially clear and blazing sky

empty box

Kyūjitai form of 空気: air, atmosphere; atmosphere, mood

(slang) person of strong vanity

(military, of the Japan Air Self-Defense Force) a major general

(military, of the Japan Air Self-Defense Force) a warrant officer

Alternative spelling of 腰明蜻蛉 (“pied skimmer”) (Pseudothemis zonata)