look up = search for information
- I don 't know this word. I will look it up in the dictionary.
- What is Jenny 's telephone number? Let 's look it up in the phone book.
- You can look up her address in the telephone directory.
- We can look up information about the Second world War on the internet.
- I am not sure about the date of this politician 's birth. Can you look it up for me?
- Look up the train schedule. I think it leaves at five but make sure.
- I looked up the bus schedule on the internet. It arrives at nine.