Ti (Noun) — A light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for aeroplane parts); the main sources are rutile and ilmenite.
Ti (Noun) — Shrub with terminal tufts of elongated leaves used locally for thatching and clothing; thick sweet roots are used as food; tropical southeastern Asia, Australia and Hawaii.
Ti (Noun) — The syllable naming the seventh (subtonic) note of any musical scale in solmization.