Definition of lavas:
(n) :
The molten rock ejected by a volcano from its crater or fissured sides; magma that has breached the surface of the earth.
(n) :
A shade of red, named after the volcanic lava.
(n) :
(informal, proscribed) Magma.
(n) :
(Hinduism) One of the twin children of the Lord Rāma and his wife Sita in the Ramayana.