Improviso
Im`pro*vi"so\, a. [L. improvisus unforeseen; cf. It. improvviso.] Not prepared or mediated beforehand; extemporaneous. [Obs.] --Jonhson.| a scrap or morsel of food left at a meal. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
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