different between soffit vs plancher

English

Etymology

From French soffite, from Italian soffitto, from sof- (“under”) + past participle of figgere (“to fix”).

Pronunciation

• (UK) IPA^(key): /?s?f.?t/
• (US, Canada) IPA^(key): /?s?.f?t/
• Rhymes: -?f?t

Noun

soffit (plural soffits)

1. (architecture) The visible underside of an arch, balcony, beam, cornice, staircase, vault or any other architectural element.
   • 1983, Monte Burch, Building Small Barns, Sheds & Shelters, page 110

     If the soffit is to be sloping, simply attach the soffit board(s) to the underside of the rafters, butting the edges tight against the fascia board in front and the barn siding in the back.
2. (pipe technology) The top point of the inside open section of a pipe or box conduit.

   The elevation of the pipe soffit is 10.4 meters above mean sea level.

Derived terms

• coffered soffit

Translations

See also

• soffit on Wikipedia.Wikipedia

English

Etymology

French planche.

Noun

plancher (plural planchers)

1. A floor made of wood.
2. A plank.

   • Elm; [used] some for planchers

3. (architecture) The underside of a cornice; a soffit.

Verb

plancher (third-person singular simple present planchers, present participle planchering, simple past and past participle planchered)

1. (obsolete, transitive) To form using planks.

   (Can we find and add a quotation of Golding to this entry?)

French

Pronunciation

• IPA^(key): /pl??.?e/

Etymology 1

From planche.

Noun

plancher m (plural planchers)

1. floor
2. lower limit
3. (anatomy) floor

Derived terms

• débarrasser le plancher
• mettre le pied au plancher
• plancher des vaches

Etymology 2

From planche.

Verb

plancher

1. (intransitive) to talk

Conjugation

Further reading

• “plancher” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).