hand down vs hand

hand down is not a noun while hand is a noun.

Word	Noun	Adjective	Verb	Adverb
hand down	No	No	Yes	No
hand	Yes	No	Yes	No

hand down (noun)	hand (noun)
	physical assistance
	terminal part of the forelimb in certain vertebrates (e.g. apes or kangaroos)
	a rotating pointer on the face of a timepiece
	the (prehensile) extremity of the superior limb
	ability
	one of two sides of an issue
	something written by hand
	a round of applause to signify approval
	the cards held in a card game by a given player at any given time
	a position given by its location to the side of an object
	a hired laborer on a farm or ranch
	a card player in a game of bridge
	a member of the crew of a ship
	a unit of length equal to 4 inches; used in measuring horses

hand down (verb)	hand (verb)
passed on, as by inheritance	guide or conduct or usher somewhere
	place into the hands or custody of