向日性 こうじつせい こうにちせい heliotropism; actinotropism; disposition (in flowers) to turn toward the sun; phototropism n adj-no Advanced ➥
吉日 きちじつ きちにち きつじつ lucky day n unspecified day of the month (used to obscure the date a letter, invitation, etc. was written) n Advanced ➥