a. Also 7 comutuall. [f. CO-, COM- + MUTUAL.] Mutual, reciprocal. (Chiefly poetic.)

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1602.  Shaks., Ham., III. ii. 170. Since loue our hearts, and Hymen did our hands Vnite comutuall.

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1627.  Herrick, Hesper., Dial. Horace & Lydia, iv. (1869), I. 72.

        My heart now set on fire is
By Ornithes sonne, young Calais;
For whose commutuall flames here I,
To save his life, twice am content to die.

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1725.  Pope, Odyss., IV. 241.

        There with commutual zeal we both had strove
In acts of dear benevolence, and love.
    Ibid. (1726), XIX. 222.
Ardent the partner of his arms to find;
In leagues of long commutual friendship join’d.

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1831.  Fraser’s Mag., IV. 375. The while a Sovereign and his Land Their troth commutual plight.

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  b.  Anat. Applied to the contiguous parts of two similar organs or structures.

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1836.  Todd, Cycl. Anat., I. 57/2. The external or commutual surfaces of … the serous membranes. Ibid., I. 730/1. The commutual edges of the orbitar processes.

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  Hence Commutuality, commutual condition.

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1812.  W. Tennant, Anster F., VI. lix. In fond commutuality of soul.

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