leg vs grand piano

leg and grand piano both are nouns.

Word	Noun	Adjective	Verb	Adverb
leg	Yes	No	No	No
grand piano	Yes	No	No	No

leg (noun)	grand piano (noun)
a section or portion of a journey or course	a piano with the strings on a horizontal harp-shaped frame; usually supported by three legs
(nautical) the distance traveled by a sailing vessel on a single tack
a cloth covering consisting of the part of a pair of trousers that covers a person's leg
one of the supports for a piece of furniture
a prosthesis that replaces a missing leg
a human limb; commonly used to refer to a whole limb but technically only the part of the limb between the knee and ankle
a structure in animals that is similar to a human leg and used for locomotion
the limb of an animal used for food
a part of a forked or branching shape