What is "antilabe"

Antilabe (from the Greek: ἀντι "mutually" or "corresponding", λαβή, "grip" or "handle") is a rhetorical technique in verse drama or closet drama, in which a single verse line of dialogue is distributed on two or more characters, voices, or entities. The verse usually maintains its metric integrity, while the line fragments spoken by the characters may or may not be complete sentences. In the layout of the text the line fragments following the first one are often indented (" dropped line") to show the unity of the verse line.

These are three sentences spoken by two persons. But it is only one single line in blank verse: