steam shovel

Short definition from Wiktionary

Noun

1. 1
   An excavating machine designed to effect a shovelling action through steam power.
2. 2
   Any excavating machine of similar design, no matter how powered.

Verb

1. 1
   To excavate (a place, or something from a place) using a steam shovel.
2. 2
   To operate a steam shovel.
3. 3
   Alternative form of steam shovel.