Hypernyms (medication is a kind of...): drug (a substance that is used as a medicine or narcotic). Meronyms (substance of medication): physostigmine (used in treatment of Alzheimer's disease and glaucoma).
Definition of weather for English Language Learners. : the state of the air and atmosphere at a particular time and place : the temperature and other outside conditions (such as rain, cloudiness, etc.) at a particular time and place.
Weather is the atmospheric conditions, including the temperature, wind, snow, rain, or anything else happening outside. People tend to talk about the weather when they can't think of anything else to talk about. The weather outside is partly cloudy whether you like it that way or not.