(printing, dated) A particle of ink or paper embedded in the hollow of a letter, filling up its face, and causing a spot on a printed sheet.
(art, painting) That which is picked in, as with a pointed pencil, to correct an unevenness in a picture.
(weaving) The blow that drives the shuttle, used in calculating the speed of a loom (in picks per minute); hence, in describing the fineness of a fabric, a weft thread