noun
rare, historicalA pointer on the rete of an astrolabe or on a similar instrument.
In later use chiefly with reference to Chaucer's use of the term.
Origin
Late Middle English; earliest use found in Geoffrey Chaucer (c1340–1400), poet and administrator. From post-classical Latin almuri from Arabic al-murī from al the + murī, colloquial variant of literary Arabic mur'ī indicator, use as noun of active participle of arā to show, to demonstrate from the same base as ra'ā to see.
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