adverb or adjective

: off to the side of a ship or plane especially at a right angle to the middle of the ship or plane's length

Word History


a- entry 1 + beam entry 1

First Known Use

1810, in the meaning defined above

Time Traveler
The first known use of abeam was in 1810

Dictionary Entries Near abeam

Cite this Entry

“Abeam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/abeam. Accessed 5 Mar. 2024.

Kids Definition


adverb or adjective
: at right angles to a ship or plane's length
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