- onto
- ontoW2S1 also on to ['ɔntə before vowels 'ɔntu $ 'a:n-, 'o:n-] prep1.) used to say that someone or something moves to a position on a surface, area, or object▪ She watched him walk onto the platform.▪ Don't jump onto (=into) the bus while it's moving.▪ Pour the syrup on to the egg mixture.▪ The car rolled over onto its side.down/out/up etc onto sth▪ Let's get back onto the highway.2.) used to say that a room, door, or window faces towards something or allows movement into another place▪ The dining room looks out onto a pretty garden.▪ a gate leading on to a broad track3.) be onto sb informala) also get onto sbespecially BrE to speak to someone in order to tell them or ask them something▪ A number of people have been onto me complaining about the noise.▪ Get onto the Press Office and find out what's happening.b) to know that a particular person did something wrong or committed a crime▪ The police are onto him.4.) be onto sth informala) to have discovered or produced something new and interesting▪ With the new show, we were onto something big.be onto a good thing/a winner▪ I think she's onto a real winner with this song.b) also get onto sthto be dealing with something or start dealing with something▪ I'll get onto it right away.
Dictionary of contemporary English. 2013.