ثرم1 ثَرِمَ, (T, S, M, Msb, K,) aor. ـَ (Msb, K,) inf. n. ثَرَمٌ, (T, S, M, Msb,) He (a man, T, S, Msb) had one of his central incisors broken: (Az, T, Msb:) or he had a central incisor fallen out: (S:) or he had a tooth broken out entirely; (M, K;) or one of his fore teeth, such as the central incisors and the teeth between the central incisors and the canine teeth; (M, K; *) or, peculiarly, a central incisor: as also ↓ انثرم. (M, K.) A2:  ثَرَمَهُ, (T, S, M, Msb, K,) aor. ـِ (M, K,) or ـُ (Msb,) inf. n. ثَرْمٌ; (S, M, Msb;) and ↓ اثرمهُ; (T, M, K;) He (a man, T, S, Msb) broke one of his central incisors: (T, Msb:) or rendered him أَثْرَم: (M, K:) or the former, he struck him on his mouth, so that one of his central incisors fell out: and ↓ the latter, He (God) rendered him أَثْرَم. (S.) And ثَرَمْتُ ثَنِيَّتَهُ I broke his central incisor. (T, S.) 4 أَثْرَمَ see 1, in two places.7 إِنْثَرَمَ see 1. b2:  Also انثرمت ثَنِيَّتُهُ His central incisor became broken. (T, S, Msb.) أَثْرَمُ, applied to a man, Having one of his central incisors broken: (T, Msb:) or having a central incisor fallen out, (S, and Ham p. 613,) so as to have a gap between two of his teeth: (Ham ib.:) or having a tooth broken out entirely; (M, K;) or one of his fore teeth, such as the central incisors and the teeth between the central incisors and the canine teeth; (M, K; *) or, peculiarly, a central incisor: (M, K:) fem. ثَرْمَآءُ: (M, Msb, K:) pl. ثُرْمٌ. (Msb.) b2:  الأَثْرَمَانِ (assumed tropical:)  Night and day: (M, K:) and (assumed tropical:)  time, or fortune, and death. (TA.)