planeside I. \ˈ ̷ ̷ ˌ ̷ ̷ \noun Etymology:plane + side (I) (IV) : the area adjacent to an airplane < speaking briefly at planeside — Christian Science Monitor > II. \¦ ̷ ̷ ˌ ̷ ̷ \adjective : engaged in or made at planeside < paused first for a planeside interview — Time > < his planeside remark — Newsweek >