About
The character 腚 is a phono-semantic compound, with the semantic component 月 (the flesh radical) on the left indicating a connection to the body or anatomy. The phonetic component 定 on the right provides the pronunciation. This character specifically refers to the buttocks, a meaning derived from its anatomical classification. Historically, its usage has remained consistent as a colloquial or anatomical term for this body part, without extending into abstract or unrelated domains.