• (n.) A faint sketch; an outline; an imperfect portrayal or representation of a thing. • (n.) The act of adumbrating, or shadowing forth. • (n.) The shadow or outlines of a figure. Found on http://thinkexist.com/dictionary/meaning/adumbration/
Ad`um·bra'tion noun [ Latin adumbratio .] 1. The act of adumbrating, or shadowing forth. 2. A faint sketch; an outline; an imperfect portrayal or representation of a thing. « Elegant adumbrations of sacred truth. Bp. Horsley. » 3. (Her.)... Found on http://www.encyclo.co.uk/webster/A/33
adumbration 1. The act of making a shadow or faint resemblance. 2. The shadowing or partial concealment of an area. 3. A faint sketch; an imperfect representation of a thing. 4. In heraldry, the shadow only of a figure, outlined, and painted of a color darker than the field. Found on http://www.wordinfo.info/words/index/info/view_unit/2224/