As a Noun: 1. The work of a teacher or instructor. English = teaching, instruction. 2. Helping students learn about various subjects in a school, college or university. English = education. 3. Someone who helps a person or a group of people become better at a particular sport or subject. English = coach. As a Verb or Adjective: 1. To give someone instructions about something so that they know about it or know how to do it. English = teach, instruct. 2. To help students learn about something in a school, college or university. English = teach, educate. 3. To help someone become better at a particular sport or subject. English = coach. 4. Concerned with or related to education, or to be something you could learn from. English = (be) educational.