Definitions for "Rima"
A narrow and elongated aperture; a cleft; a fissure.
Latin = chink; hence, e.g., rima palpebrarum = the chink between the free edges of the eyelids.
L. = a cleft, fissure; rima glottidis = gap between vocal cords; rima palpebrarum = gap between eyelids (later, margins of eyelids).
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