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Webster 1913 Edition

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Adj.

[Pref.

ob-

conic

conical

Conical, but having the apex downward; inversely conical.

obconical ‎(comparative more obconical, superlative most obconical)

(botany) of a fruit: conical in shape and attached to the stalk by the pointed end.
Conical, but having the apex downward; inversely conical.