from The Century Dictionary and Cyclopedia
- v. To make a dull, vibrating sound.
“Stand by the main royal clewlines and buntlines,” I heard him shout, and the next instant came the hollow thutter of the sail as he started to lower away.
With her superb ears, she could hear not only the voices of the crewmen up above but the thutter of their hearts and the whisper of the blood in their veins.
Now the Ghoulish music swirled away, jarring with the vampire song, drowning it, while the thutter in the background played faster and faster, pulling heartbeats along.
At once John released his grip and leaned across to her chest, pressing his ear between the warm softness of her breasts, listening for the last thutter of the heart.
"I'm wondering, too," he told her, just as an especially sustained and violent shuddering of rocket-impulsion made his chair legs thutter on the floor.
The origin of the word 'thutter' is onomatopoetic.