Cathead

"Hurrah, for the last time," said the mate; and the anchor came to the cat-head to the tune of "Time for us to go," with a loud chorus. Everything was done quick, as though it were for the last time.

The cat-heads had burned away, and the two red-hot anchors had gone to the bottom, tearing out after them two hundred fathom of red-hot chain.

A piece of a ferruginous ſtoney Nodule having in it 3 Leaves of a capillary Plant […] Theſe Nodules, vvith Leaves in them, are called Catheads, and ſeem to conſiſt of a ſort of Iron-Stone, not unlike that vvhich is found very plentifully at Robinshood's-Bay in Yorkſhire, and in the Rocks near VVhitehaven in Cumberland: vvhere they there call 'em Cat-Scaups, and are frequently melted vvith the ſofter Iron-Ores.

The trick to eating catheads was to get the butter on them before they got cold—then they were delicious. When, unluckily, they were allowed to get cold, they tended to a gooeyness, not unlike a wad of tired gum.

[T]he whole canvass of the ship was loosed, and with the greatest rapidity possible, everything was sheeted home and hoisted up, the anchor tripped and catheaded, and the ship under headway.