- IPA: /pɪθ/
- (botany) The soft, spongy substance in the center of the stems of many plants and trees.
- The spongy interior substance of a feather or horn.
- (anatomy) The spinal cord; the marrow.
- (botany) The albedo of a citrus fruit.
- (figuratively) The essential or vital part; force; energy; importance.
- The pith of my idea is that people should choose their own work hours.
- c. 1599–1602, William Shakespeare, “The Tragedie of Hamlet, Prince of Denmarke”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act III, scene i], line 88, page 265 ↗:
- And enterprizes of great pith and moment
- (figuratively) Power, strength, might.
- (essential or necessary part) core, essence, general tenor, gist, heart, heart and soul, inwardness, kernel, marrow, meat, nitty-gritty, nub, quintessence, soul, spirit, stuff, substance; See also Thesaurus:gist
- French: moelle
- German: Mark
- Italian: midollino
- Portuguese: medula
- Russian: сердцеви́на
- Spanish: médula, medula, pulpa
pith (piths, present participle pithing; past and past participle pithed)
- (transitive) To extract the pith from (a plant stem or tree).
- (transitive) To kill (especially cattle or laboratory animals) by cutting or piercing the spinal cord.
- IPA: /paɪθ/
pith (not comparable)
- The ordinal form of the number pi.
- The pith root of pi is approximately 1.439...
pith (plural piths)