Thus the finally fixed meaning of the word homily as an ecclesiastical term came to be a written discourse (generally possessing the sanction of some great name) read in church by or for the officiating clergyman when from any cause he was unable to deliver a sermon of his own.
Later, the lictors preceded the officiating consul, and walked behind the other.
Before purchasing a soccer referee uniform, check with the league you're officiating for and find out what regulations exist for uniforms and gear.
Each synagogue is served by a rabbi assisted by an officiating minister, and in each consistory is a grand rabbi.
The gradual elaboration of the sacrificial ceremonial, as the all-sufficient expression of religious devotion, and a constantly growing tendency towards theosophic and mystic speculation on the significance of every detail of the ritual, could not fail to create a demand for explanatory treatises of this kind, which, to enhance their practical utility, would naturally deal with the special texts and rites assigned in the ceremonial to the several classes of officiating priests.