We don't have synonyms for dragline yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are deadline, dragging and dropline.
(n) :
A cable, cord, or rope used to drag an object; specifically, the line of a dragline excavator that drags the bucket.
(n) :
A strong supporting line of silk produced by a spider.
(n) :
Ellipsis of dragline excavator. [Any of several very large vehicles used for lifting, especially in the process of mining: basically an excavator which drags its bucket to fill it.]
(n) :
A cable, cord, or rope used to drag an object; specifically, the line of a dragline excavator that drags the bucket.
(n) :
A strong supporting line of silk produced by a spider.
(n) :
Ellipsis of dragline excavator. [Any of several very large vehicles used for lifting, especially in the process of mining: basically an excavator which drags its bucket to fill it.]