a. Obs. rare. [f. L. sopor SOPOR.]

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  1.  = CAROTID a. 1. (Cf. SOPORIFIC a. 1 d.)

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1706.  Phillips (ed. Kersey), Soporal Arteries,… the Carotid Arteries, so call’d because if they be tied, they immediately incline the Person to Sleep. [Copying Blancard Phys. Dict. (1693), s.v. Carotidis.]

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  2.  Of or pertaining to sleep.

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1719.  Baynard, Health (1740), 27.

        When all the Faculties of th’ Mind
Are to their (soporal) Cells confin’d.

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