1. [n]  a weak and tremulous light; "the shimmer of colors on iridescent feathers"; "the play of light on the water"
2. [v]  give off a shimmering reflection, as of silk
3. [v]  shine with a weak or fitful light; "Beech leaves shimmered in the moonlight"

Shimmer
Manhattan, 1948. From the garlic-scented walkups of Little Italy to the Times Square Automat to the plush booths of the Stork Club, three New Yorkers strive to make their mark on the city under the growing shadow of the Red Scare.

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1. \Shim"mer\, v. i. [imp. & p. p. {Shimmered}; p. pr. &
   vb. n. {Shimmering}.] [OE. schimeren, AS. scimerian; akin to
   sc[=i]mian, sc[=i]man, to glitter, D. schemeren, G.
   schimmern, Dan. skimre, Sw. skimra, AS. sc[=i]ma a light,
   brightness, Icel. sk[=i]ma, Goth. skeima a torch, a lantern,
   and E. shine. [root]157. See {Shine}, v. i.]
   To shine with a tremulous or intermittent light; to shine
   faintly; to gleam; to glisten; to glimmer.
         The shimmering glimpses of a stream.     --Tennyson.
   

2. \Shim"mer\, n.
   A faint, tremulous light; a gleaming; a glimmer.
         TWo silver lamps, fed with perfumed oil, diffused . . .
         a trembling twilight-seeming shimmer through the quiet
         apartment.                               --Sir W.
                                                  Scott.