Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: a box (such as a post-office box) that locks
Recent Examples on the Web
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lockbox.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
1848, in the meaning defined above
Keep scrolling for more
Resources for lockbox
4 Nov 2018
Time Traveler for lockbox
See more words from the same year
More from Merriam-Webster on lockbox
See words that rhyme with lockbox
Britannica English: Translation of lockbox for Arabic Speakers
Comments on lockbox
What made you want to look up lockbox? Please tell us where you read or heard it (including the quote, if possible).
full of whispering sounds
Get Word of the Day daily email!
Difficult Vocab Quiz
Test your knowledge - and maybe learn something along the way.
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Words from the week of 11/16/2018
This is just to say / Don't confuse them
What exactly is the 'it' being sufficed?
Taking a usage peeve to task
And is one way more correct than the others?
The story of an imaginary word that managed to sneak past our editors and enter the dictionary.
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
Another round of challenging vocab!
(Secret October WOTD Quiz)
A game of winding words.