平安: an abbreviation for 平安京 (へいあんきょう, heiankyō), 平安時代 (へいあんじだい, heianjidai), 平安朝 (へいあんちょう, heianchō), or another name of Kyoto

odd number

(history, government, taxation) a 律令 (ritsuryō) department under the 民部省 (Minbushō, “Ministry of Popular Affairs”), responsible for collecting rice as taxes

red clover, Trifolium pratense