prime - the very best or uppermost aspect of nearly anything; "put your publications on top of the desk"; "just the major aspect in the box was painted"أَعْلَىالطَّبَقَةِ العُلْياثَوْب المَرأه العُلْويدُمْيَه دَوّامَهغِطاءleading - covering for a gap (Specially a gap in the highest o