crance

from The Century Dictionary.

• noun Nautical, an old name for any boom-iron, but particularly for an iron cap attached to the outer end of the bowsprit, through which the jib-boom passes.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun nautical An iron band, at the end of a bowsprit, fitted with eyes to take the bowsprit shrouds and the bobstay