Definition of lap siding
1 : building siding consisting of beveled boards wider and longer than clapboards — compare drop siding
2 : an arrangement of two railroad sidings at a station in such a way that the turnout of one overlaps that of the other
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of lap siding
Seen and Heard
What made you want to look up lap siding? Please tell us where you read or heard it (including the quote, if possible).