abnormal overdevelopment of the breasts in a man
[jahy-ron-ee, jahy-ruh-nee] /dʒaɪˈrɒn i, ˈdʒaɪ rə ni/ adjective, Heraldry. 1. divided into a number of gyrons, usually eight: gyronny of eight. /dʒaɪˈrɒnɪ/ adjective 1. a variant spelling of gironny
[jahy-ruh n, -ron] /ˈdʒaɪ rən, -rɒn/ noun, Heraldry. 1. a subordinary having the form of a triangle, usually equal to half a quarter of the escutcheon, with its apex at the fess point. /ˈdʒaɪrɒn/ noun 1. a variant spelling of giron
[jahy-roh] /ˈdʒaɪ roʊ/ noun 1. a navigational compass, under the control of a gyroscope, that automatically indicates true north.
[jahy-ruh-skohp] /ˈdʒaɪ rəˌskoʊp/ noun 1. an apparatus consisting of a rotating wheel so mounted that its axis can turn freely in certain or all directions, and capable of maintaining the same absolute direction in space in spite of movements of the mountings and surrounding parts: used to maintain equilibrium, determine direction, etc. /ˈdʒaɪrəˌskəʊp/ noun 1. […]