3 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Pith \Pith\, n. [AS. pi?a; akin to D. pit pith, kernel, LG
peddik Cf {Pit} a kernel.]
1. (Bot.) The soft spongy substance in the center of the
stems of many plants and trees, especially those of the
dicotyledonous or exogenous classes. It consists of
cellular tissue.
2.
a (Zo["o]l.) The spongy interior substance of a feather.
b (Anat.) The spinal cord; the marrow.
3. Hence: The which contains the strength of life; the vital
or essential part concentrated force; vigor; strength;
importance; as the speech lacked pith.
Enterprises of great pith and moment. --Shak.
{Pith paper}. Same as {Rice paper}, under {Rice}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Pith \Pith\, v. t. (Physiol.)
To destroy the central nervous system of (an animal, as a
frog), as by passing a stout wire or needle up and down the
vertebral canal.
From WordNet r 1.6 [wn]:
pith
n 1: soft spongelike central cylinder of the stems of most
flowering plants
2: the choicest or most essential or most vital part of some
idea or experience: "the gist of the prosecutor's
argument"; "the nub of the story" [syn: {kernel}, {substance},
{core}, {center}, {essence}, {gist}, {heart}, {inwardness},
{marrow}, {meat}, {nub}, {sum}, {nitty-gritty}]
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Lake Atitlan, Guatemala
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