(grammar) Any of a subset of Englishirregular verbs which lack the addition of a dental affix to indicate the simple past and past participle tenses.
(grammar,linguistics) A member of a "strong" class in a language with two or more verb classes.
2009, Charles Häberl,The Neo-Mandaic Dialect of Khorramshahr, Wiesbaden: Harrassowitz,→ISBN, page177:
Three basic root consonant classes exist: thestrong verb, roots with weak initial root consonant (I-weak verbs), roots with weak final consonants (III-weak verbs), and a composite class...