Relating to or governed by protocol; formal, ceremonial.
Origin
Early 20th century; earliest use found in Truth: a weekly journal. From protocol + -ar. Compare Spanish protocolar, Portuguese protocolar, Italian protocollare.
Definition of protocolar in US English:
protocolar
adjectiveˈprəʊtəkɒlə
Relating to or governed by protocol; formal, ceremonial.
Origin
Early 20th century; earliest use found in Truth: a weekly journal. From protocol + -ar. Compare Spanish protocolar, Portuguese protocolar, Italian protocollare.