Japanese For pronunciation and definitions of ワラジムシ – see the following entry. 【草鞋虫わらじむし】 [noun] a woodlouse that cannot curl up into a ball Alternative spelling鼠姑 (This term, ワラジムシ (warajimushi), is the katakana spelling of the above term.) Wikiwand - on Seamless Wikipedia browsing. On steroids.