[ee-ster-lee] 
adjective, adverb, noun, plural -lies.| 1. | moving, directed, or situated toward the east: an easterly course. |
| 2. | (esp. of a wind) coming from the east: an easterly gale. |
| 3. | toward the east. |
| 4. | from the east. |
| 5. | a wind that blows from the east. |
| east·er·ly (ē'stər-lē) adj.
A storm or wind coming from the east. east'er·ly adv. |
| easterly (ē'stər-lē) Pronunciation Key
A wind, especially a prevailing wind, that blows from the east. The trade winds in tropical regions and the prevailing winds in the polar regions are easterlies. See illustration at wind. |
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