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bass-viol

bass-viol
  (beɪsˈvaɪəl)
  [see bass a. 3 b and viol.]
  A stringed instrument for playing the bass part in concerted music; a violoncello.

1590 Shakes. Com. Err. iv. iii. 23 Went like a Base-Viole in a case of leather. 1638 J. Kirke Sev. Champions iii. i, The resined stick of a base viol. 1709 Addison Tatler No. 153 ¶7 Your Bass-Viol, which grumbles in the Bottom of the Consort. 1861 Hughes Tom Brown Oxf. II. ii. 29 Carrying a great bass-viol bigger than himself.

Oxford English Dictionary

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