意味: ぼいんn. (Kanji=母音) vowel, vocal sound that has no obstructions (Linguistics)n. (Kanji=拇印) thumb printn. (Alt=つちのえとら, Kanji=戊寅) Tsuchinoetora, Boin, combination of the Jikkan element Tsuchinoe, ("older soil") and the Junishi sign "tora" meaning "tiger"