American Heritage Dictionary
Century Dictionary
(1)
GNU Webster's 1913
(1)
WordNet
Elsewhere on the web
From those experiments there is reason to conclude that the fatigued part of the retina throws itself into a contrary mode of action like oscitation or pandiculation, as soon as the stimulus, which has fatigued it, is withdrawn; but that it still remains liable to be excited into action by any other colours except the colour with which it has been fatigued.— Zoonomia, Vol. I Or, the Laws of Organic Life
The spectra then both disappeared; and then the internal spectrum was blue; and then, after a second disappearance, became yellow, and lastly pink, whilst the spectrum of the field varied into red and green These successions of different coloured spectra were not exactly the same in the different experiments, though observed, as near as could be, with the same quantity of light, and other similar circumstances; owing, I suppose, to trying too many experiments at a time; so that the eye was not quite free from the spectra of the colours which were previously attended to The alternate exertions of the retina in the preceding section resembled the oscitation or pandiculation of the muscles, as they were performed in directions contrary to each other, and were the consequence of fatigue rather than of pain.— Zoonomia, Vol. I Or, the Laws of Organic Life
From these experiments there is reason to conclude, that the fatigued part of the retina throws itself into a contrary mode of action, like oscitation or pandiculation, as soon as the stimulus which has fatigued it is withdrawn; and that it still remains sensible, that is, liable to be excited into action by any other colours at the same time, except the colour with which it has been fatigued.— Zoonomia, Vol. I Or, the Laws of Organic Life
The alternate exertions of the retina in the preceding section resembled the oscitation or pandiculation of the muscles, as they were performed in directions contrary to each other, and were the consequence of fatigue rather than of pain.— Zoonomia, Vol. I Or, the Laws of Organic Life
(which, perhaps, the world may one day see, if I can prevail on any friend to steal a copy, or on certain gentlemen of my admirers to be very importunate) that, as mankind is now disposed, he receives much greater advantage by being diverted than instructed, his epidemical diseases being fastidiosity, amorphy, and oscitation; whereas, in the present universal empire of wit and learning, there seems but little matter left for instruction.— A Tale of a Tub

If you'd like to prod us on getting a pronunciation for this word, sign in (or sign up) and let us know.
We are still working on calculating this word's frequency.