What is "break ground"

alt. 1 (context literally English) To begin digging in the earth at the start of a new construction, or, originally, for cultivation. 2 (context idiomatic English) To initiate a new venture, or to advance beyond previous achievements. 3 (context nautical of an anchor English) To lift off the sea bottom when being weighed. vb. 1 (context literally English) To begin digging in the earth at the start of a new construction, or, originally, for cultivation. 2 (context idiomatic English) To initiate a new venture, or to advance beyond previous achievements. 3 (context nautical of an anchor English) To lift off the sea bottom when being weighed.