Obs. rare. [a. (ult.) Arab. al-mursi, i.e., al the + mur indicator, agent-noun f. 4th form of rasay to see.] ‘The “denticle’ tooth-like point or pointer situate on the Rete of the astrolabe near the “head” of Capricorn.’ Skeat.

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c. 1391.  Chaucer, Astrol., I. xxiii. Thin almury is cleped the denticle of capricorne or else the kalkuler.

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