1. A fence made of bars to ensure safety and protection: The parents had to make sure that there was a childproof railing on the balcony when their baby started to walk.
2. A barrier consisting of horizontal bars and supports: Workers were employed to build a fencelike barrier composed of horizontal rails or bars supported by widely spaced uprights to protect Jim's home from intruders.
3. Angry complaints, verbal objections, or bitter criticisms made in harsh or abusive language: As long as congressional members keep hurling railings against each other, is there a chance that they will actually be able to come up with solutions for our nation's problems?

Some citizens feel that there is just too much ranting and railing going on in the political meetings that are going on around the country.

Now the Right-wing and the Left-wing radio hosts are calling on their party followers to attack the Town-Hall meetings of their opponents with railings or loud bombastic and vehement oratory expressed with strong emotions.