noun, masculine/pif/plural: pifs
conk, hooter, schnozzle (nose, especially if large); nose, intuition
“un gros pif” — a big conk
Synonyms: blair, tarin, flair, nez
Possibly onomatopoeic. Compare however Central Franconian Pief, Peif (“stovepipe; flute”), akin to Dutch pijp, German Pfeife.