ثغر

ثَغْرٌ ثغر ثغرة The front teeth; (S, A, K;) syn. مَبْسِمٌ; (Msb;) described by a poet as eight in number, four upper and four lower: (TA:) afterwards applied to the central incisors: (Msb:) or all the teeth (TA) while they remain in their places of growth, (K, TA,) before they fall out: (TA:) or the teeth, (K, TA,) all of them, whether in their places of growth or not: (TA:) or the mouth: (K:) pl. ثُغُورٌ. (TA.) [Hence, ضَحِكَ ثَغْرُهُ He laughed so as to show his front teeth, or his teeth. ] ― -b2- Any gap, opening, interstice, or open intervening space, (M, K,) in a mountain, or in the bottom of a valley, or in a road along which people pass; (TA;) as also ↓ ثُغْرَةٌ: (A, * TA:) or the latter signifies a gap, or breach, in a wall &c.; the hollow of the broken edge of a vessel &c.; and its pl. is ثُغَرٌ. (S.) You say, هٰذِهِ مَدِينَةٌ ↓ فِيهِا ثُغَرٌ This is a city in which are gaps, or breaches. (S.) ― -b3- (assumed tropical:) A frontier-way of access to a country, [in the CK, قُرُوح is erroneously put for فُرُوج, the word occurring in its place in MSS. of the K and in the S,] such as is a place of fear; (S, K;) as also ↓ ثُغْرُورٌ: (K:) the part of a country from which the invasion of the enemy is feared; so that it is like a gap in a wall, from which one fears the invasion of the robber: (Msb:) a place from, or through, which one fears the enemy's coming, in a mountain or fortress: (T, TA:) the frontier of a hostile country: (K:) a place that is a boundary between the countries of the Muslims and the unbelievers: (IAth, TA:) pl. ثُغُورٌ. (Msb.) You say, فُلَانٌ يَسُدُّ الثَّغْرَ (tropical:) [ Such a one stops up, or obstructs, the frontieraccess of the country by his bravery]. (A.) ― -b4- See also ثُغْرَةٌ, in two places. ― -b5- أَمْسُوا ثُغُورًا (tropical:) They became dispersed, or scattered, (JK, A, K,) and lost, or in a state of perdition: (A, K:) sing. ثَغْرٌ. (JK, K.)