adverb - in a way that is related to or done by surgery (a medical operation)
noun - someone who is interested in a particular subject and knows a lot about it
verb - (of a road) to leave the main road and go in a different direction
noun - a special chair for a baby or small child to sit in while eating
adjective - (of a person, esp. a woman) lacking style or neatness in dress or appearance
noun, technical - the language or dialect spoken by ordinary people in a particular country or region