سلك

مُسَلَّكٌ ذ Slender, or lean, (IDrd, K, TA,) in body; applied to a man and to a horse. (IDrd, TA.) And مُسَلَّكٌ الذَّكَرِ Sharp in the head of the penis: and so مُسَمْلَكٌ الذَّكَرِ. (AA, TA.)