Skimer or Skimmer: How To spell?
The word Skimer is misspelled against Skimmer, a noun meaning "Any one of several large bivalve shells, sometimes used for skimming milk, as the sea clams, and large scallops."
Skimmer has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings ski & er which should not be misspelled with single 'M'
Wrong Spelling:  ski-m-er  Correct Spelling:  ski-mm-er 
Find more wrongly spelled words of Skimmer to spell it well.