/ spleɪ; NAmE / verb
splay (sth) (out) to make fingers, legs, etc. become further apart from each other or spread out; to be spread out wide apart :
[ vn ]
She lay on the bed, her arms and legs splayed out.
[ v ]
His long fingers splayed across her back.
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WORD ORIGIN
Middle English (in the sense unfold to view, display ): shortening of the verb display .