noun, plural prothonotaries apostolic.
a member of the first college of prelates of the Roman Curia.
- prothonotary warbler,
- prothoracic gland,
- prothrombin accelerator
Origin of prothonotary apostolic
First recorded in 1545–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019