Past tense of 'bask'; to lie in warmth and sunshine in a comfortable and relaxed way.
From Old Norse 'bathask' (to bathe oneself). The word originally meant bathing but shifted to mean luxuriating in warmth and comfort.
Lizards bask in the sun to regulate their body temperature—they're not being lazy, they're literally controlling their biology through heat absorption, just like charging a battery!
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