What does "coordinator" mean?

One who, or that which, coordinates.; An assistant coach responsible for a particular facet of the game, such as defense.

Coordinator

Common synonyms include: administrator, arranger, arrangers, campaigner, co-ordinator, community garden facilitator.

noun

noun ·5 syllables ·Uncommon ·College level

Noun

1
One who, or that which, coordinates.; An assistant coach responsible for a particular facet of the game, such as defense.
2
someone whose task is to see that work goes harmoniously wordnet
3
One who, or that which, coordinates.; A member of a lexical class of words that joins two or more items (such as words, phrases, or clauses) of equal syntactic importance.
"Near-synonym: coordinating conjunction"

"This is the first time I've worked as a coordinator, so I may not have the hang of it yet."

From coordinate + -or.