Thats Not A Silly Question At All. Actually Cats Very Seldom Meow To The Other Cats , It Seems To Be Strictly A Way Of Communicating With We Who Are Thier Guardians.
The Only Time I Have Seen A Found Cats Meeeeow At One Of His Mates Is As A Threat To Let That Cat Know That They Are Ready To Rumble. As Michael Buffer Would Say.