ejaculatory duct

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Either of the paired ducts in males, formed by the junction of the seminal ducts with the vas deferens, that pass through the prostate and empty into the urethra, and through which semen is ejaculated.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun anatomy Either of a pair of ducts through which semen passes, each of which is formed by the merging of the vas deferens and the duct of the seminal vesicle.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a part of the seminal duct formed by the duct from the seminal vesicle and the vas deferens; passes through the prostate gland