<span class="searchmatch">knattert</span> inflection of knattern: third-person singular present second-person plural present plural imperative...
tɐn] Hyphenation: knat‧tern knattern (weak, third-person singular present <span class="searchmatch">knattert</span>, past tense knatterte, past participle geknattert, auxiliary haben) (intransitive)...