Wiktionary
versed sines
n. (versed sine English)
Usage examples of "versed sines".
I quote enough of the Classickal Stuff To set your Ears a-throb, Work logarith-mick Versed Sines Withal, within me Nob, - Only nothing Ministerial, please, Or I'm apt to lose m' Job, As, the Learned English Dog, to-ni-ight!