Sentence:  For instance, let us suppose that Homer and Virgil, Aristotle and Cicero, Thucydides and Livy, could have met all together, and have <WSD>clubbed</WSD> their several talents to have composed a treatise on the art of dancing: I believe it will be readily agreed they could not have equalled the excellent treatise which Mr Essex hath given us on that subject, entitled, The Rudiments of Genteel Education. 
Meaning of the word marked with <WSD> tags:  To unite, or contribute, for the accomplishment of a common end.