from
The Collaborative International Dictionary of English v.0.48
Imbricate \Im"bri*cate\, Imbricated \Im"bri*ca`ted\, a. [L.
imbricatus, p. p. of imbricare to cover with tiles, to form
like a gutter tile, fr. imbrex, -icis, a hollow tile, gutter
tile, fr. imber rain.]
1. Bent and hollowed like a roof or gutter tile.
[1913 Webster]
2. Lying over each other in regular order, so as to "break
joints," like tiles or shingles on a roof, the scales on
the leaf buds of plants and the cups of some acorns, or
the scales of fishes; overlapping each other at the
margins, as leaves in [ae]stivation.
[1913 Webster]
3. In decorative art: Having scales lapping one over the
other, or a representation of such scales; as, an
imbricated surface; an imbricated pattern.
[1913 Webster]