O'er is a contracted, archaic or literary form meaning “over.” As a noun, it can appear in poetry or songs to mean “over” as in durations or movements. The pronunciation is a reduced /oʊɚ/ in many contexts, often realized as a single syllable in fluent speech; the spelling reflects its Scottish/archaic lineage rather than a modern contraction. It is primarily encountered in literary, musical, or historical texts rather than everyday speech.
Full pronunciation guide
