This is the 462nd most frequent Hindi word.
bihar
"Bihar" refers to a state in eastern India.
Here, 'Bihar' is used as a proper noun, referring to the state of Bihar in India.
बिहार एक खूबसूरत राज्य है।
Bihar is a beautiful state.
'Bihar' in this context means 'to roam' or 'wander around' in a poetic or classical sense, as a verb.
उसने बगीचे में बिहार किया।
He roamed in the garden.
Here, 'Bihar' metaphorically signifies 'prosperity' or 'abundance' in a more philosophical usage.