Cyrenius = "warrior"
1) the Greek form of the Roman name Quirinus. His full name is Publius Sulpicius Quirinus. He was consul B.C. 12., and was made governor of Syria after the banishment of Archelaus in A.D. 6. He was probably twice governor of Syria; his first governorship extended from B.C. 4 (the year of Christ's birth) to B.C. 1. It was during this time that he was sent to make enrolment which caused Joseph and Mary to visit Bethlehem. Luk 2:2. The second enrolment is mentioned in Act 5:37.
Part of Speech: noun proper masculine
Of Latin origin; Cyrenius (that is, Quirinus), a Roman: - Cyrenius.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root Κυρήνιος; click on the second column to search for that grammatical form of the root Κυρήνιος; click on the third column to search for that word and grammatical form; click on the total to search for the root Κυρήνιος.