But as Gerty lay with arms drawn down her side, in the motionless narrowness of an effigy, she felt a stir of sobs from the breathing warmth beside her, and Lily flung out her hand, groped for her friend’s, and held it fast.
There are no more uses of "effigy" in the book.
Show samples from other sources
Deep down, the dude who gave me the Jell-O knees was an effigy, a mask over a faceless face that probably ten thousand years ago looked like a squid or something.
Rick Yancey -- The Infinite Sea
A man so despised, so foul tempered, so robotically inflexible that on the last day of eighth grade we defaced his yearbook picture with staples and left it like an effigy behind his seat.
Ransom Riggs -- Miss Peregrine’s Home for Peculiar Children