Easterlies is a 10 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 11 points.
You can make 634 anagrams from letters in easterlies (aeeeilrsst).
1540-50; obsolete easter eastern (see easterling) + -ly
The “westerlies” meet “easterlies” from the polar highs at about 50-60° N. and S.