Definition of perennial canker
: a canker that lives over from one season to the next specifically : a serious disease of apples caused by a fungus (Gloeosporium perennans) and characterized by cankers on the trunk and limbs
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?