also: ぴいかん
clear weather; fine weather; perfect weather
Colloquial term for cloudless, sunny weather; originally filmmaking jargon for ideal outdoor shooting conditions. Often used in casual conversation.
Tomorrow is supposed to be perfectly clear, so let's go to the beach.
Today is a cloudless, perfect-weather day.
Standard katakana spelling; originally filmmaking jargon for perfect weather.
Rarely used hiragana form; the katakana spelling is overwhelmingly more common.
Originally filmmaking jargon, possibly from a contraction or onomatopoeic expression for bright, clear conditions; the exact derivation is uncertain.