Feminine active participle of an unused root meaning to hollow out; something hollowed (as a {gate}) that {is} the pupil of the eye: - apple [of the eye].
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Isa 5:2And he fenced it, and gathered out the stones thereof, and planted it with the choicest vine, and built a tower in the midst of it, and also made a winepress therein: and he looked that it should bring forth grapes, and it brought forth wild grapesH891. ▼▼
Isa 5:4What could have been done more to my vineyard, that I have not done in it? wherefore, when I looked that it should bring forth grapes, brought it forth wild grapesH891?