tiltable,a.|ˈtɪltəb(ə)l| [f. tilt v.1 + -able.] Able to be tilted. 1934in Webster.1955Sci.Amer. Mar. 42/3 Their tiltable antenna has four such units, each 320 feet long and 40 feet wide.1979Observer (Colour Suppl.) 22 Apr. 94 (Advt.), The steering column is tiltable.