Definition of calm
(adj)
not agitated; without losing self-possession; "spoke in a
calm voice"; "remained
calm throughout the uproar"; "he remained serene in the
midst of turbulence"; "a serene
expression on her face"; "she became
more tranquil"; "tranquil
life in the country"
(of weather)
free from
storm or wind; "calm seas"
make steady; "steady yourself"