1. With the full authority of the office
   "the pope must speak ex cathedra for an encyclical to be infallible"

Encyclopedia: Ex cathedra

• Jack Lemmon
• Jack London
• jack mackerel
• Jack Nicklaus
• jack oak
• Jack of all trades
• jack off
• jack pine
• jack plane
• Jack Roosevelt Robinson
• Jack Russell
• Jack Russell terrier
• jack salmon
• Jack the Ripper
• jack up
• Jack William Nicklaus
• jack-a-lantern
• jack-by-the-hedge
• jack-in-the-box
• jack-in-the-pulpit
• jack-o-lantern
• jack-o-lantern fungus
• Jack-tar
• jackal
• golden wedding anniversary