IMBRICATIONS
Scrabble letter values: I1M3B3R1I1C3A1T1I1O1N1S1 = 18
Definition
IMBRICATIONS is the plural of IMBRICATION.
noun IMBRICATION: covering with a design in which one element covers a part of another (as with tiles or shingles).
Synonyms of IMBRICATION: overlapping, lapping