Cats mostly meow to humans — in greeting, to get attention, and of course, when they want food. The length and volume of the meow, and your cat's body language, can offer clues about their mood.

Wondering about the cat’s meow? No, we’re not talking about the 2001 Kirsten Dunst flick. The English language is riddled with these phrases – "the cat’s pajamas" and "the cat’s meow ...