One of various species of finches having a large, stout beak. The common European grosbeak or hawfinch is Coccothraustes vulgaris.

any of various finches of Europe or America having a massive and powerful bill

Literally "big beak". Large finches represented in the North Country by the Evening Grosbeak ( Hesperiphona vespertina) and the Pine Grosbeak ( Pinicola enucleator).