Seethe v. t. [imp. Seethed (Sod obs.); p. p. Seethed, Sodden p. pr. & vb. n. Seething.] To decoct or prepare for food in hot liquid; to boil; as, to seethe flesh. [Written also seeth.]
Set on the great pot, and seethe pottage for the sons of the prophets. --2 Kings iv. 38.
adj : in constant agitation; "a seething flag-waving crowd filled
the streets"; "a seething mass of maggots"; "lovers and
madmen have such seething brains"- Shakespeare