籍|せきseki[1]atamadaka (head-high)

1. noun, noun (suffix)one's family register; one's domicile
2. noun (suffix)nationality
3. noun (suffix)membership (club, party, etc.)

籍 is a formal legal term for one's officially recorded family register, domicile, or nationality; it appears chiefly in compounds and set phrases, so choose the English rendering according to context.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. （セキ）戸籍こせき。
2. （セキ）ある団体だんたいの一員いちいんとして正式せいしきに登録とうろくされていること。