a percussion instrument consisting of a pair of hollow pieces of wood or bone (usually held between the thumb and fingers) that are made to click together (as by Spanish dancers) in rhythm with the dance
a circularity that has a different center or deviates from a circular path
(geometry) a ratio describing the shape of a conic section; the ratio of the distance between the foci to the length of the major axis; "a circle is an ellipse with zero eccentricity"
affording satisfaction or pleasure; "the company was enjoyable"; "found her praise gratifying"; "full of happiness and pleasurable excitement"; "good printing makes a book more pleasurable to read"
precisely and clearly expressed or readily observable; leaving nothing to implication; "explicit instructions"; "she made her wishes explicit"; "explicit sexual scenes"