فَتَرٌ
1.
See فَتْرَةٌ.
2.
الفَتَرُ explained in the K as signifyfying “ the muscles, ” and also as signifying “ a certain well-known measure, or quantity, of wheat, ” is a mistake for الفَأْرُ, mentioned in both of these senses in article فأر in the TS [and in the O]. (TA. [See article فأر.])