Meaning

noun a small ring-shaped friedcake

noun a weight that sinks (as to hold nets or fishing lines under water)

noun a pitch that curves downward rapidly as it approaches the plate

originEtymology tree English sink Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English sinker From sink + -er.

Etymology from Wiktionary, CC BY-SA 3.0