مَسْمَعٌ
1.
A place whence [and where] one hears, or hearkens, or listens. (IDrd, K.) You say, هُوَ مِنِّى بِمَرْأًى وَمَسْمَعٍ
He is where I see him and hear his speech; (IDrd, K;) and in like manner, هُوَ مِنِّ مَرْأًى وَمَسْمَعٌ; (TA;) and مَرْأًى وَمَسْمَعًا, (M and K in article رأى, q. v.,) and sometimes they said مَرًى. (TA.) And فُلَانٌ فِى مَنْظَرٍ وَمَسْمَعٍ
Such a one is in a state in which he likes to be looked at and listened to. (T, A, TA, in article نظر.)
2.
See also سَمْعٌ, in the latter half of the paragraph, in two places.
3.
It is also a verbal noun of سَمِعَ. (TA.)