Definition of south-southerly in English:

south-southerly

noun

Regional, US
  • The long-tailed duck, Clangula hyemalis.

Origin

Early 19th century; earliest use found in Alexander Wilson (1766–1813), ornithologist and poet. From south + southerly, apparently in imitation of the sound of the bird's call.

Pronunciation

south-southerly

/saʊθˈsʌðəli/