What does aphthous mean?
The definition of aphthous
Aph”thous a.
Etym: [Cf. F. aphtheux.]
Pertaining to, or caused by, aphthæ; characterized by aphtæ; as, aphthous ulcers; aphthous fever.
An English Dictionary
Pertaining to, or caused by, aphthæ; characterized by aphtæ; as, aphthous ulcers; aphthous fever.