Burden

(bür'dn.) [A.S. byrthan, from bea ran, to bear.] (Naut.) The carrying capacity of a ship, or her aggregate amount of tonnage.-(Mus.) The drone or ba of a musical instrument, as in the bagpipe.- In vocalism, that part of a song which is repeated at every verse or stanza:-otherwise called the refrain. Burden of proof. (Law.) The duty of proving a fact in dispute on an i ue raised. [s. 124]