[L. spīca ear of grain, etc.: see SPIKE sb.1 In senses 3 and 4 after Gr. στάχυς.]

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  † 1.  Oil of spica, oil of spike. Obs.

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c. 1400.  Lanfranc’s Cirurg., 226. It is good … to comforte þe place wiþ oile of mastic, & oile of spica.

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  2.  Bot. A flower-spike.

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1693.  trans. Blancard’s Phys. Dict. (ed. 2), Spica, the long Tops of Herbs, as of Lavender, &c.

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1728.  Chambers, Cycl., s.v. Spica-Nardi, The Ear or Spica, is about the Length and Thickness of a Finger.

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1760.  J. Lee, Introd. Bot., III. iv. (1765), 173. Spica, a Spike, has sessile Flowers that are alternate and dispersed about a common Peduncle that is simple.

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1793.  Martyn, Lang. Bot., s.v.

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1856.  Henslow, Dict. Bot. Terms, 177.

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  3.  Astr. A bright star in the constellation Virgo.

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1728.  Chambers, Cycl., s.v. Virgo, First of three [stars] under Spica. Ibid., Last, and North of 3 under Spica.

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1843.  Penny Cycl., XXVI. 373/1. Spica (a Virginis), a star of the first magnitude, is in the hand, which holds ears of corn, typical of the harvest.

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1886.  Sir R. Ball, Story of Heavens, xviii. (1897), 380. There is a fine equilateral triangle, whereof Arcturus and Spica form two of the corners.

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  4.  Surg. A form of bandage, the arrangement of which is suggestive of an ear of wheat or barley. Also attrib.

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1731.  Bailey (vol. II.), Spica (with Surgeons), a band used in Hernias.

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1758.  J. S., Le Dran’s Observ. Surg. (1771), 193. Covering the Wound with a proper Dressing, sustained by the Spica.

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1846.  Brittan, trans. Malgaigne’s Man. Oper. Surg., 420. A compress [was] laid on the course of the canal, with a spica bandage.

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1875.  Knight, Dict. Mech., 2265/2. Spica,… a form of bandage resembling a spike of barley. The turns of the bandage cross like the letter V, each leaving a portion uncovered.

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