layer
noun
a thickness of some material laid on or spread over a surface.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Unified, with about 400,000 students, has been layering on protections for months, recently working to incorporate ideas advocated by the teachers union and immigrant-rights groups.
From Los Angeles Times ● Aug. 13, 2025