use palfrey in a sentence.
GRRM tends to use a bunch of unusual words pretty frequently: "dandle", "garron", "palfrey", "hauberk", "solar".
Quentin Palfrey is Senior Advisor to CTO for Jobs and Competitiveness at the White House Office of Science amp; Technology Policy
Reading Chaucer is a good exercise for looking at how words are used, in "The Canterbury Tales" the word Horse is rarely (if ever, I'm not sure) used, instead very specific words are used to describe the type of horse in question Palfrey, Charger, etc.
A car with the intelligence of a palfrey---enough to not run into things, and maintain a smooth ride regardless of terrain/environment----would be an amazing luxury vehicle.