(pronounced /ˈplaɪə/) is a dry or ephemeral lakebed, generally extendin' t' t' shore, or a remnant of, ya bilge rat, an endorheic lake. Begad! Home t' many big launches in t' Western US. Ya scallywag! Black Rock Desert, home o' TRA's BALLS launch, be t' quintessential example o' a rocketry playa.