planned obsolescence implemented through deliberate limitations in software or hardware

Quality of being obscene.

plural of obstetrical toad

A European toad of the genus Alytes, especially Alytes obstetricans, the eggs of which are laid in a string which the male winds around his legs and carries about until the young are hatched.

a lookout or vantage point

Ferris wheel

plural of observation wheel

planned obsolescence

plural of observation car

(rail transport) A railway passenger car made so as to facilitate seeing the scenery en route, sometimes with glass sides or with a kind of open balcony at the rear.