Cock"bill (k&obreve;k"b&ibreve;l`), v. t. [See Cock to set erect.] (Naut.) To tilt up one end of so as to make almost vertical; as, to cockbill the yards as a sign of mourning.

To cockbill the anchor, to suspend it from the cathead preparatory to letting it go. See Acockbill.