pipy

As a noun pip

is any of various respiratory diseases in birds, especially infectious coryza.

As a verb pip

is to get the better of; to defeat.

As a proper noun Pip

is a diminutive form of the given names Philip, Phillip, and Philippa.

As an adjective pipy is

like a pipe; having a hollow stem.

As a noun stem

is (countable).

As an adjective pipy is

like a pipe; having a hollow stem.

As adjectives the difference between hollow and pipy

is that hollow is (of something solid) having an empty space or cavity inside while pipy is like a pipe; having a hollow stem.

As an adverb hollow

is (colloquial) completely, as part of the phrase beat hollow or beat all hollow.

As a noun hollow

is a small valley between mountains; a low spot surrounded by elevations.

As a verb hollow

is to make a hole in something; to excavate (transitive) or hollow can be to urge or call by shouting; to hollo.

As an interjection hollow

is .

As a proper noun pipe

is .

As an adjective pipy is

like a pipe; having a hollow stem.