from The Century Dictionary.
- noun A sheaf; a handful.
- noun Specifically Twenty-four sheaves of grain set up in the field, forming two stooks, or shocks of twelve sheaves each.
- noun The number of two dozen; hence, an indefinite number; a considerable number.
from the GNU version of the Collaborative International Dictionary of English.
- noun Prov. Eng. Twenty-four (in some places, twelve) sheaves of wheat; a shock, or stook.
- noun obsolete, obsolete The number of two dozen; also, an indefinite number; a bunch; a company; a throng.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun UK, dialect, obsolete Twenty-four (or in some places, twelve)
sheavesof wheat; a shock, or stook.
- noun UK, dialect, obsolete Two dozen, or similar indefinite number; a
bunch; a throng.
Sorry, no etymologies found.
A daimen-icker [6-4] in a thrave [6-5] 'S a sma 'request:
A daimen icker in a thrave [odd ear, 24 sheaves] 'S a sma 'request; [Is]
Carlisle, had from its foundation been endowed with a thrave of corn from every ploughland in Cumberland.
A daimen-icker, a corn-ear now and then; thrave, shock.
A daimen icker in a thrave  'S a sma 'request:
 An occasional ear of corn in a thrave, -- that is, twenty-four sheaves.
"The hospital of St. Leonard's has compelled us unjustly to render them a thrave of corn."
Hilyard, of the popular kind of eloquence, which -- short, plain, generous, and simple -- cuts its way at once through the feelings to the policy, Warwick briefly but forcibly recapitulated to the commons the promises he had made to the captains; and as soon as they heard of taxes removed, the coinage reformed, the corn thrave abolished, the
Robin of Redesdale, -- the pretext, a thrave of corn demanded by the
Redesdale, -- the pretext, a thrave of corn demanded by the Hospital of