ti

(noun) a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite. Synonyms: titanium, Ti, atomic number 22.

(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. Synonyms: Cordyline terminalis.

(noun) the syllable naming the seventh (subtonic) note of any musical scale in solmization. Synonyms: te, si.