clay digger

clay digger

[′klā ‚dig·ər]
(mechanical engineering)
A power-driven, hand-held spade for digging hard soil or soft rock.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The only difference among the APT Model 117 Paving Breaker, the Model 118 Clay Digger and the Model 119 Trench Digger is the handle.