meshing vs impinging

meshing and impinging both are nouns.

Word	Noun	Adjective	Verb	Adverb
meshing	Yes	No	No	No
impinging	Yes	No	No	No

As nouns, impinging is a hypernym of meshing; that is, impinging is a word with a broader meaning than meshing:

Other hypernyms of meshing include contact, striking.

meshing (noun)	impinging (noun)
the act of interlocking or meshing	the physical coming together of two or more things
an open fabric of string or rope or wire woven together at regular intervals
contact by fitting together