Uncomplicated; taken by itself, with nothing added. / Without ornamentation; plain. / Free from duplicity; guileless, innocent, straightforward. / Undistinguished in social condition; of no special...

Not slackening; without loss of speed.

plural of conductor rail

(informal, military) A jet airplane with fixed wings that is capable of vertical takeoff and landing as well as hovering, and, in some cases, also capable of becoming airborne in a conventional man...