FLUD'ER, FLUE, noun [probably contracted from flume, Latin flumen, from fluo.] A passage for smoke in a chimney, leading from the fireplace to the top of the chinmey, or into another passage; as a chinmey with four flues. FLUE, noun [Latin pluma.] Soft down or fur; very fine hair. [Local.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI