[mav.er.ick] n [perh. fr. Samuel A. Maverick d. 1870 Am. pioneer who did not brand his calves] (1867) 1: an unbranded range animal; esp: a motherless calf
2: an independent individual who does not go along with a group or party
[2]maverick adj (1886): characteristic of, suggestive of, or inclined to be a maverick