from The Century Dictionary.
- Tending to asperse; defamatory.
Sorry, no etymologies found.
(I keep wondering their significance, but then forget to ask.) the server on Father's left (MC) is probably a Canon Regular of St. John Cantius (they wear a shoulder cape over the rochet) and the server on Father's right (aspersory bearer) is a seminarian for the Diocese of Kansas City - St. Joseph.
For if there pass long intervals betwixt the priapizing feats, and that thou make an intermission of too large a time, that will befall thee which betides the nurses if they desist from giving suck to children -- they lose their milk; and if continually thou do not hold thy aspersory tool in exercise, and keep thy mentul going, thy lacticinian nectar will be gone, and it will serve thee only as a pipe to piss out at, and thy cods for a wallet of lesser value than a beggar's scrip.