south ‧ er ‧ ly /ˈsʌðəli $ -ər-/ BrE AmE adjective
[ Word Family: adjective : ↑ south , ↑ southerly , ↑ southern , ↑ southbound , ↑ southernmost ; adverb : ↑ south , southward(s), ↑ southbound ; noun : ↑ south , ↑ southerner ]
1 . towards or in the south:
Tara walked in a southerly direction.
2 . a southerly wind comes from the south