o'er

[awr, ohr] /ɔr, oʊr/
preposition, adverb, Literary.
1.
over.
Can be confused
oar, o'er, or, ore.
British Dictionary definitions for o'er

o'er

/ɔː; əʊə/
preposition, adverb
1.
a poetic contraction of over
Word Origin and History for o'er

poetic contraction of over.