Deer are known for being solitary statue like creatures. They will stand stark still and stare out at you, and yet despite how majestic and stoic they can be, they are also known for being fairly elusive and being able to avoid being captured or killed by their chasers.
A deer antler is the paragon of manliness. Antlers are usually only attached to male deer in most species, and usually whenever they have their contest to attract a mate, they use their antlers to attack one another so that they can prove which one of them is best to take care of their mate. It is a primitive display but it is the only way that they know how to make sure that they show how they are so strong. This is the display that they choose to impress their prospective partner and it is because of this that they get along so well, it is what they all do. If you have a dream in which you see a deer antler it means that your own sense of masculinity is being called into question by you or has been called into question by you recently. You have done a lot of work trying to make sure that your sense of masculinity shows and it has been noticed by your mind subconsciously. Either that or you are a woman and have been trying to suppress that sense of masculinity inside you and yet your dream is telling you that it is time to let it all out and try to embrace it.