Definition of excavations:
(n) :
(uncountable) The act of excavating, or of making hollow, by cutting, scooping, or digging out a part of a solid mass.
(n) :
Especially, the trade of digging engineered holes for building foundations, roadbed preparations, and similar purposes.
(n) :
(uncountable) Archaeological research that unearths buildings, tombs and objects of historical value.
(n) :
(countable) A cavity formed by cutting, digging, or scooping.
(n) :
(countable) An uncovered cutting in the earth, in distinction from a covered cutting or tunnel.
(n) :
(countable) The material dug out in making a channel or cavity.