See شَتٌّ.
ثَغْرٌ شَتِيتٌ means [
Fore teeth]
separate, or
wide-apart, one from another. (
S,
A,
K.) Tarafeh says,
مِنْ شَتِيتٍ كَأَقَاحِ الرَّمْلِ غُرْ
[meaning
From separate fore teeth
like white chamomiles of the sands:
ثَغْرٍ being understood, and
غُرْ being for
غُرٍّ]. (
TA.)