Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
aberrate is a verb meaning "diverge from the expected". It carries 2 recorded senses.
diverge or deviate from the straight path; produce aberration
“The surfaces of the concave lens may be proportioned so as to aberrate exactly equal to the convex lens”
optics
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for aberrate come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.