
• (n.) Twenty-four (in some places, twelve) sheaves of wheat; a shock, or stook. • (n.) The number of two dozen; also, an indefinite number; a bunch; a company; a throng.
Found on
http://thinkexist.com/dictionary/meaning/thrave/

Thrave (thrāv) noun [ Middle English þrave , þreve , Icelandic þrefi ; akin to Danish trave ; confer Icelandic þrīfa to grasp.] 1. Twenty-four (in some places, twelve) sheaves of wheat; a shock, or stook. [ Prov. Eng.]
Found on
http://www.encyclo.co.uk/webster/T/48
No exact match found.