canker sore
Definition of canker sore
: a painful shallow ulcer of the mouth that has a grayish-white base surrounded by a reddish inflamed area and is of uncertain cause but is not due to the virus causing herpes simplex — compare cold sore
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Circa 1596
First Known Use of canker sore
circa 1596
CANKER SORE Defined for English Language Learners
canker sore
Definition of canker sore for English Language Learners
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: a small painful sore inside the mouth
CANKER SORE Defined for Kids
canker sore
Definition of canker sore for Students
: a small painful sore of the mouth
Medical Dictionary
canker sore
Medical Definition of canker sore
: a small painful ulcer especially of the mouth; especially : a painful shallow ulceration of the oral mucous membranes that has a grayish-white base surrounded by a reddish inflamed area and is characteristic of aphthous stomatitis—compare cold sore
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See words that rhyme with canker sore Britannica.com: Encyclopedia article about canker sore
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