I. mount ‧ ing 1 BrE AmE adjective /ˈmaʊntɪŋ/ [only before noun]
gradually increasing – often used about things that cause problems or trouble:
There was mounting pressure on him to resign.
The government has come under mounting criticism in the press.
They faced mounting debts.
There’s mounting evidence of a link between obesity and some forms of cancer.
II. mounting 2 BrE AmE noun [countable]
an object to which other things, especially parts of a machine, are fastened to keep them in place:
The engine is supported by four rubberized mountings.