noun

a barrier, railing, or other upright structure, typically of wood or wire, enclosing an area of ground to prevent or control access or escape.

barrier,paling,railing,rail,bar,hurdle,enclosure,wall,hedge,hedgerow,windbreak,groyne,partition,barricade,stockade,palisade,rampart,protection,defence,circumvallation

verb

surround or protect with a fence.

our garden was not fully fenced

enclose,surround,circumscribe,encircle,circle,encompass,bound,form a barrier around,form a ring round,divide up,section off,separate off,partition off,cut off,cordon off,close off,isolate,segregate,seal,close,gird,girdle,engird,compass