02319 Co*quil"la nut (?). [Pg. coquilho, Sp. coquillo, dim. of coco a cocoanut.] (Bot.) The fruit of a Brazilian tree (Attalea funifera of Martius.). note &hand; Its shell is hazel-brown in color, very hard and close in texture, and much used by turners in forming ornamental articles, such as knobs for umbrella handles. /note
02311 Con"tact (?), n. [L. contactus, fr. contingere, -tactum, to touch on all sides. See Contingent.] 1. A close union or junction of bodies; a touching or meeting.2. (Geom.) The property of two curves, or surfaces, which meet, and at the point of meeting have a common direction.3. (Mining) The plane between two adjacent bodies of dissimilar rock.Raymond.Contact level, a delicate level so pivoted as to tilt when two parts of a measuring apparatus come into contact with each other; -- used in precise determinations of lengths and in the accurate graduation of instruments.
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