Thud (thŭd), n. [Cf. AS. þōden a whirlwind, violent wind, or E. thump.] A dull sound without resonance, like that produced by striking with, or striking against, some comparatively soft substance; also, the stroke or blow producing such sound; as, the thrud of a cannon ball striking the earth.
At every new thud of the blast, a sob arose. Jeffrey.
At intervals there came some tremendous thud on the side of the steamer. C. Mackay.