belated 14c.; see capital (adj.). So named since it is at the "head" of a sentence or word.
among huge alphabetic figures made use of whilst the first letter written down or printing proper names and often for emphasis
It consisted of the following parts: - (a) A system of aeroplanes arranged like the capital letter T at a certain upward angle to the horizon and bearing a general resemblance to box kites; (b) a pair of very light propellers driven at a high speed; and (c) an exceedingly light and powerful petrol engine.