(p. pr. & vb. n.) of Cruise.

aeronautics air service airline astronautics aviation ballooning blind flying boating canoeing circumnavigation cloud-seeding coasting commercial aviation contact flying flight flying general aviation gliding gunkholing motorboating navigability navigating navigation passage-making periplus pilotage rowing sailing sailplaning sculling sea travel seafaring soaring steaming travel by water voyaging water travel winging yachting