Overslaugh

(-slaw'), n. [D. overslag.] A bar in a river rendering the passage of vessels difficult at low water; particularly, such a bar in the Hudson River, a little below Albany. [Amer.] Bartlett.

(-slaw'), v. t. [D. overslaan.] To hinder or stop, as by an overslaugh or unexpected impediment; as, to overslaugh a bill in a legislative body, that is, to hinder or stop its passage by some opposition; to overslaugh a military officer, that is, to hinder or stop his promotion or employment, by the appointment of another to his rank or duties.