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Definition of Gluteal cleft
1. Noun. (anatomy) The groove between the buttocks that runs from just below the sacrum to the perineum. ¹
¹ Source: wiktionary.com
Medical Definition of Gluteal cleft
1. The sulcus between the buttocks (nates). Synonym: crena ani, anal cleft, crena clunium, gluteal cleft. (05 Mar 2000)