Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
eye-drop is a noun meaning "a drop from an eye dropper". It carries 2 recorded senses.
a method of irrigating the eye used by ophthalmologists
Definitions, synonyms and semantic relations for eye-drop come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.