See: Dick.
In some States of Venezuela used this word in inflections indicating astonishment, a mood or a situation, etc. Examples: 1-"Cock boy, that heat! ". 2 "Cock, my mom is very ill ". 3 "Dick, OK, calm down you're very upset "
Originally this was called to the 40 rosewood;Mast ) largest merchant sailing ships or combat. Hence comes the word wingspan: length, size, dimencion.