casing vs grandfather clock

casing and grandfather clock both are nouns.

Word	Noun	Adjective	Verb	Adverb
casing	Yes	No	No	No
grandfather clock	Yes	No	No	No

casing (noun)	grandfather clock (noun)
the enclosing frame around a door or window opening	a pendulum clock enclosed in a tall narrow case
the housing or outer covering of something
the outermost covering of a pneumatic tire