Merriam-Webster Online Dictionary
teacher (noun)1.
one that - teaches , especially one whose occupation is to instruct
2.
a Mormon ranking above a deacon in the Aaronic priesthood
Merriam-Webster Online Thesaurus
teacher (noun)a person whose occupation is to give formal instruction in a school
SYNONIMS:
educationist, educator, instructor, pedagogue ( pedagog), preceptor, schoolteacherRELATED WORDS:
headmaster, master, rector, schoolmaster; headmistress, instructress, mistress [], schoolmarm ( schoolma'am), schoolmistress; coach, guide, guru, preparer, trainer; mentor, tutor, tutoress; drillmaster, inculcator; dean, docent, doctor, don, prof, professor, regius professor; academe, academic, academician, didact, pedant; governess, homeschooler; intern ( interne), practice teacher, reader, student teacher; catechist, lecturer, moralizer, preacher