Definition of "onto" []

• On top of; to a position on; upon: The dog jumped onto the chair. See Usage Note at on. (preposition)
• Informal Fully aware of; informed about: The police are onto the robbers' plans. (preposition)
• Mathematics Of, relating to, or being a mapping such that every element of the target set referred to is the image of an element in the domain. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Jam threw out the rotten apple, wiped that tray clean, and taped a label onto it."
• "I pretty much vomit sorry for the term onto the keyboard and type like crazy, not overthinking, just being totally honest about whats going on in here."
• "“Do you remember taping the label onto the top of the box?”"