verb (intr, preposition)
to cross on or as if on skates
to avoid dealing with (a matter) fully
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Treat superficially or hurriedly, avoid mentioning, as in He concentrated on the main points of the contract and skated over the details. This idiom transfers the gliding motion of skating to dealing with something in a cursory way. [Mid-1900s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.