Shoaling
Pronunciation : Shoal"ing
Part of Speech : a.
Definition : Defn: Becoming shallow gradually. "A shoaling estuary." Lyell.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder