قحد

القَمَحْدُوَةُ ذ , (S, O,) and ↓ القِمَحْدَةُ, the latter like عِرَضْنَة [in form], and mentioned by Ibn- 'Abbád, (O,) [words] in which the م is argumentative, (S, O,) [or, accord. to the K, it is radical,] What is behind the head; (S, O;) said by AZ to be the part of the bone of the head that protuberates over the back of the neck; the هَامَة [or crown ] being above it, and the قَذَال, which is next to the مَقَدّ [or مَقَذّ, i. e. the part between the two ears, behind ], being beneath it: (O:) pl. [of both] قَمَاحِدُ (S, O) and [of the former] قَمَحْدُوَاتٌ [also]. (O.) See also art. قمحد.