Definition of square mark
: a mark placed upon running lines (such as halyards or braces) to ensure their being secured always at the same point and giving a neat uniform appearance
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
- On Contractions of Multiple Words
- A Look at Uncommon Onomatopoeia
- Is Singular 'They' a Better Choice?