平瓦 ひらがわら Meanings Noun concave roof tile See also: 丸瓦 (まるがわら). Kanji 平 flat. Read as ひら. 瓦 roof tile. Read as かわら. Words containing 平瓦 軒平瓦 (のきひらがわら) eave-end roof tile (comprising a broadly concave tile and near-rectangular decorative cap) Jinuma: Japanese Dictionary · Word lists