Lanneret is a rare word that refers to a male falcon or hawk that has not reached maturity. This bird of prey has a wingspan of around 36 inches, making it relatively small in comparison to other species. Synonyms for the word lanneret include the terms young hawk, immature falcon, or fledgeling bird of prey. Other words that may be used in place of lanneret include eyas, brancher, or late-trained hawk. These terms all describe birds that are not yet fully matured and are still in the process of developing their wingspan and hunting skills. Despite their youth, these birds are still formidable predators and can be trained for falconry.