Spenser Faerie Queene, III.i:Mainly they all attonce vpon him laid, And sore beset on euery side around ....
(obsolete) Of the production of a sound: loudly, powerfully. 14th-19th c.
1603, John Florio, translating Michel de Montaigne, Essays, II.31:But in the end, mainly crying out, he fell to raling and wringing his master, upbraiding him that he was not a true Philosopher ....
(obsolete) To a great degree; very much. 15th-19th c.
1913, Joseph C. Lincoln, Mr. Pratt's Patients Chapter 12, She had Lord James' collar in one big fist and she pounded the table with the other and talked a blue streak. Nobody could make out plain what she said, for she was mainly jabbering Swede lingo, but there was English enough, of a kind, to give us some idee.
