戊: the fifth day of the traditional Chinese ten-day cycle / 墓: a grave, especially one belonging to the extended imperial family / 簿: a notebook, a ledger / 牡: a male animal

The hiragana syllable ぼ (bo). Its equivalent in katakana is ボ (bo).

烏帽子: a type of court cap in the Heian period, now worn by gyoji presiding over sumo matches

牡蠣: oyster; roasted and powdered oyster shell, used in antacids, sedatives, and as a bird feed additive

carving in fine lines

坪井, 壺井, 壷井: a surname

(slang) right up one's alley; in line with one's taste

flathead mullet, Mugil cephalus

(slang) to overcharge

(more polite) Alternative form of おぼっちゃん (obotchan)