أَعْسَرُ

[More, and most, difficult, hard, strait, or intricate; opposite of أَيْسَرُ;] applied to a thing, or an affair, or a circumstance: feminine ↓ عُسْرَى. (TA.)

Applied to a day, i. q. عَسِرٌ, q. v.; (K;) unfortunate, or unlucky, (O.)

-A2- A left-handed man; one who works with his left hand; (S, O, Msb, K;) one whose strength is in his left hand or arm, and who does with that what others do with the right: (TA:) feminine عَسْرَاءُ: (K:) and plural عُسْرَانٌ, (O, TA,) like as سُودَانٌ is a plural of أَسْوَدُ, (TA,) and عُسْرٌ. (O.) None is stronger in casting or shooting than the أَعْسَر. (TA.)

أَعْسَرُ يَسَرٌ A man who uses both his hands [alike]; ambidextrous; an ambidexter: (S, O, K:) feminine عَسْرَاءُ يَسَرَةٌ: (TA:) you should not say [of a man that he is] أَعْسَرُ أَيْسَرُ; (S, TA;) nor of a woman that she is عَسْرَاءُ يَسْرَاءُ. (TA.)

العَسْرَاءُ, feminine of الأَعْسَرُ, The left hand or arm. (TA.)

حَمَامٌ أَعْسَرُ A pigeon, or pigeons, having a whiteness in the left wing. (S, O.) And عُقَابٌ عَسْرَاءُ An eagle whose feathers on the left side are more numerous than those on the right: (S, O, K: *) and (S, O, K) some say (S, O) having, in its wing, white primary feathers. (O, K.) And عَسْرَاءُ A white primary feather; (O, K;) and so ↓ عَسَرَةٌ. (S, O, K; in one of my copies of the S written عِسْرَة.)