Hypertext Webster Gateway: "demilune"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Demilune \Dem"i*lune`\, n. [F. demi- lune.]
1. (Fort.) A work constructed beyond the main ditch of a
fortress, and in front of the curtain between two
bastions, intended to defend the curtain; a ravelin. See
{Ravelin}.
2. (Physiol.) A crescentic mass of granular protoplasm
present in the salivary glands.
Note: Each crescent is made of polyhedral cells which under
some circumstances are supposed to give rise to new
salivary cells.
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