fissure

27 ENTRIES FOUND:

fis·sure

noun \ˈfish-ər, British also ˈfish-yr\

Definition of FISSURE

1
: a natural cleft between body parts or in the substance of an organ: as a : any of several clefts separating the lobes of the liver b : any of various clefts between bones or parts of bones in the skull c : any of the deep clefts of the brain; especially : one of those located at points of elevation in the walls of the ventricles—compare sulcus d : anterior median fissure; also : posterior median septum
2
: a break or slit in tissue usually at the junction of skin and mucous membrane <fissure of the lip>
3
: a linear developmental imperfection in the enamel of a tooth
fis·sured \ˈfish-ərd, British also ˈfish-yrd\ adjective

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