1846. Worcester, Tricentenary, a period or space of three hundred years. Ec[lectic] Rev[iew].
1882. Ogilvie (Annandale), Tricentenary, n. 1. That which consists of or comprehends three hundred; the space of three hundred years. 2. The commemoration of any event which occurred three hundred years before, as the birth of a great man; as, Shakspere’s tricentenary. Called also Tercentenary. Tricentenary, a., relating to or consisting of three hundred; relating to three hundred years; as, a tricentenary celebration. Called also Tercentenary.
So Tricentenarian, a person 300 years old.
1863. Leeds Mercury, 25 April, 11/5. A TRI-CENTENARIAN.—We have received an advertisement for a situation which states the age of the advertiser as “303. The explanation of the enigma is that the writer, not having Colenso’s arithmetic, took the above mode of indicating thirty-three (30—3).—Record.
1889. Academy, 20 July, 34/3. Perhaps the interior of the Antarctic continent may yield a crop of tricentenarians, since, according to Herodotus, the most wonderful things are generally found at the extremities of the earth.
