petter UK /ˈpɛtə/US /ˈpɛtə(ɹ)/noun 1verb 1forms 3 noun1 •(rare) One who pets.[…] 36) are good sports 37) have a good sense of humor 38) are not sissies 39) do not try to neck on the first date 40) are not routine petters […] — 1953 verb1 •(rare) To make an irregular, repetitive sound."What an infernal shower!" ejaculated the baronet, as the rain pettered against his plate glass. — 1840 formspettered · pettering · petters