وَثِيرٌ

Plain, level, smooth, soft, or easy to lie or ride or walk upon; (T, S, M, A, K;) as also ↓ وِثْرٌ (T, S, K) and ↓ وَثْرٌ and ↓ وَثِرٌ; (M, K;) applied to a bed, (T, S, A, K,) and anything upon which one sleeps, (T, TA,) or sits, (TA,) and finds it to be thus, (T, TA,) and to other things: (M, K;) and thick and soft; applied to a bed: (Msb:) [and ↓ وِثَارٌ seems to signify the same; or this and ↓ وَثْرٌ are epithets in which the quality of a subst. predominates:] feminine وَثِيرَةٌ. (M K.) You say, مَا تَحْتَهُ وِثْرٌ, and وِثَارٌ, (S, TA,) There is not beneath him a smooth, or soft, bed. (TA.)

وَثِيرَةٌ (tropical:) A woman having much flesh: (IDrd, S, Msb, K:) or fat; (T, A, K;) suitable for a bedfellow: (T, K:) and وَثِيرَةُ العَجُزِ (tropical:) large, (T,) or fat, (A,) or soft, (M,) in the buttocks: (T, M, A:) plural وَثَايءِرُ and وِثَارٌ. (M, K.)

-A2- See also مِيثَرَةَ, throughout.