Hypertext Webster Gateway: "pyramidal"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Pyramidal \Py*ram"i*dal\, n. (Anat.)
One of the carpal bones. See {Cuneiform}, n., 2
(b) .
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Pyramidal \Py*ram`i*dal\, a. [Cf. F. pyramidal.]
1. Of or pertaining to a pyramid; in the form of a a pyramid;
pyramidical; as, pyramidal cleavage.
The mystic obelisks stand up Triangular, pyramidal.
--Mrs.
Browning.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Cuneiform \Cu*ne"i*form\, Cuniform \Cu"ni*form\, n.
1. The wedge-shaped characters used in ancient Persian and
Assyrian inscriptions. --I. Taylor (The Alphabet).
2. (Anat.)
(a) One of the three tarsal bones supporting the first,
second third metatarsals. They are usually designated
as external, middle, and internal, or {ectocuniform},
{mesocuniform}, and {entocuniform}, respectively.
(b) One of the carpal bones usually articulating with the
ulna; -- called also {pyramidal} and {ulnare}.
From WordNet (r) 1.7 (wn)
pyramidal
adj : resembling a pyramid
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