Meaning
Overcast — of a grey, cloudy sky before rain. The Patois pronunciation of 'overcast', it names the heavy, sunless sky that warns of a shower to come: 'di sky ovahcast, rain a come' means the sky is grey and rain is on the way. In a country where the rains govern the rhythm of work and washing, an overcast sky is a signal to bring in the clothes off the line and shut the windows, and the word belongs to the everyday reading of the weather that country life depends on.
Examples
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Di sky ovahcast, look like rain.
The sky is overcast, it looks like rain.
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Tek in di clothes, it ovahcast.
Bring in the clothes, it's overcast.
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Ovahcast whole day, no sun at all.
Overcast all day, no sun at all.
Origin
The Patois pronunciation of 'overcast' (grey/cloudy).
How it’s used
Grey/cloudy sky before rain. Compare 'draft', 'drizzle', 'gully-wash'.