Thunder-bolts, (1) The concretionary nodules of iron pyrites so frequently found in the chalk. See Gold; also Thunder-stones in Addenda.—N. & S.W.

'The ploughboys search for pyrites, and call them thunderbolts.—Greene Ferne Farm, ch. v.

(2) Fossil belemnites.—N. & S.W.

Thunder-flower. Papaver Rhoeas, &c., Red Poppy.—S.W.

Thunder-fly. A black midge. So called because they appear mostly in thunder weather.—N. & S.W.

'Tiny black flies alighting on my hands and face, irritated the skin; the haymakers call them "thunder-flies."'—Great Estate, ch. v. pp. 96-97.

*Thurindale. A flagon holding about three pints (H.Wr.). M.E. thriddendele, a third part.—Obsolete.

Thurtifer. Unruly, self-willed (H.Wr.).—S.W.

Ticky Pig. The smallest pig of a litter.—N.W. (Clyffe Pypard.)

Tid. *(1) Lively, playful (B.G.). (2) Childish, affecting simplicity (A.), shy. 'Coom, coom, dwon't'e be tid' (A.). A.S. tyddr, tender, weak, imbecile.—N.W.