1. shillelagh - Noun
2. Shillelagh - Proper noun
a cudgel made of hardwood (usually oak or blackthorn)
Source: WordNetBecause the system was so advanced, the development of the Shillelagh was fraught with problems. Source: Internet
It was armed with the technically advanced but troublesome M81/M81 Modified/M81E1 152mm gun/launcher, which fired conventional ammunition and the MGM-51 Shillelagh guided anti-tank missile. Source: Internet
The Sheridan's gun was a low-velocity weapon suitable in the assault role, but with the addition of the Shillelagh missile could double in the anti-tank role as well. Source: Internet
Shillelagh was considered equal to the later BGM-71 TOW anti-tank wire-guided missile first produced in 1970 by the U.S, which could not be fired from the gun but had a simpler guidance system. Source: Internet
Some missiles may have additional propulsion from another source at launch; for example, the V1 was launched by a catapult, and the MGM-51 Shillelagh was fired out of a tank gun (using a smaller charge than would be used for a shell). Source: Internet
The Shillelagh was considerably larger than a conventional round, so only a small number could be carried. Source: Internet