grill vs hibachi

grill and hibachi both are nouns.

Word	Noun	Adjective	Verb	Adverb
grill	Yes	No	Yes	No
hibachi	Yes	No	Yes	No

As verbs, hibachi is a hyponym of grill; that is, hibachi is a word with a more specific, narrower meaning than grill:

Other hyponyms of grill include barbecue, barbeque, cook out, broil, oven broil.

grill (noun)	hibachi (noun)
a framework of metal bars used as a partition or a grate	a portable brazier that burns charcoal and has a grill for cooking
a restaurant where food is cooked on a grill

grill (verb)	hibachi (verb)
cook over or under a grill	cook over a hibachi grill
examine thoroughly