It sounds like a soft, melodious “murmur” — most cat owners have heard their pets cooing or trilling. However, very few know that there is a special meaning behind the sound. PETBOOK editor ...

Now it turns out that cats have a special noise that shows they love you too ― and while purring seems like the most likely ...

"She's literally trilling omg," said a third. "She's trilling, that is the highest form of affection from a cat! You are blessed!!," added Leigh. For those unfamiliar, trilling is a vocal sound ...