from the GNU version of the Collaborative International Dictionary of English
- n. A European shad; -- called also twaite shad. See shad.
- n. A piece of cleared ground. See thwaite.
from The Century Dictionary and Cyclopedia
- n. An obsolete or dialectal variant of thwaite. Coke, Instit., iv. b.
- n. A kind of shad, Alosa finta. Also twaite-shad.
Sorry, no etymologies found.
The twaite is the more common, and in the Severn, Wye and Teme it sometimes gives very fair sport to anglers, taking worm and occasionally fly or small spinning bait.
I'd probably have pronounced his surname as twaite and pretended it was the local dialect.
The first is the shad, a herring-like fish of which two species, allice and twaite
Only two species, the thick-lipped grey mullet and the twaite shad, will be able to expand toward the north, beyond their initial distribution area.