(1):
(n.) The interior or central part or place; the middle; - used chiefly in the objective case after in; as, in the midst of the forest.
(2):
(adv.) In the middle.
(3):
(n.) Hence, figuratively, the condition of being surrounded or beset; the press; the burden; as, in the midst of official duties; in the midst of secular affairs.
(4):
(prep.) In the midst of; amidst.