clam
noun
any of various bivalve mollusks, especially certain edible species.
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Investigators said those who were clamming up included the bride, KPRC-TV reported.
From Fox News ● Aug. 22, 2020