قُلَّةٌ

The top, or highest part, of a mountain, &c. (S, K.)

The top of the head and hump. (K.) See a verse cited voce ظِلٌّ.

قلتانِ [apparently قُلَّتَانِ, or rather قَلْتَانِ, from قلت] The hollows of the two collar-bones (الترقوتان). (TA, article ترب.)