bicycle
1. bi.cy.cle \'bi--.sik-*l\ n [F, fr. bi- + -cycle (as in tricycle)] : a vehicle with two wheels tandem, a steering handle, a saddle seat, and pedals by which it is propelled 2. bicycle \'bi--.sik-(*-)lin\ \-.sik-(*-)l*r\ \'bi--.sik-(*-)l*st\ vi or bi.cy.cling : to ride a bicycle - bi.cy.cler n