Meaning of subgingival

sub•gin•gi•val

Pronunciation: (sub"jin-jī'vul, sub-jin'ju-), [key]
— adj.
  1. being or occurring under the gums; esp., being or occurring in the crevice between the gum margin and the neck or root of a tooth.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.