Only the steady radiating warmth and the deep, soothing purr betrayed his presence.

They both heard it at the same time-- the sound of a deep, resonant purr.

Her voice was a purr, deep and menacing.

Just as she stepped forward, however, the roar was replaced by a calmer sound, a deep and throaty purr.

He continued until, finally, the cat's deep purr came once more.

He stroked its steel, furless head and got a deep thrumming purr in response.

The little body throbbed and a soft deep purr rose like a benediction.

Her voice sank to a deep purr, still rich with malice, but no longer strident.

Mister rumbled a deep, affirmative purr in his chest.

His last few words drowsed away into a deep, regular purr, and he was asleep with the one eye partly open.