Wordnet 3.0
NOUN (3)
1.
a rod used to ram the charge into a muzzle-loading firearm;
2.
a harshly demanding overseer;
3.
a rod used to clean the barrel of a firearm;
The Collaborative International Dictionary of English v.0.48:
Ramrod \Ram"rod`\ (r[a^]m"r[o^]d`), n.
The rod used in ramming home the charge in a muzzle-loading
firearm.
[1913 Webster]
WordNet (r) 3.0 (2006):
ramrod
n 1: a rod used to ram the charge into a muzzle-loading firearm
2: a harshly demanding overseer
3: a rod used to clean the barrel of a firearm