Meaning of Drona

Goldie Behal is all over the place to publicize his
upcoming film, Drona. Jaiprakash Chauksey comments
that meaning of Drona is not what Goldie is proclaiming
to be. Wiki to the help, and here it is :

Drona was born a brahmin, in modern day Dehradun (a modification of dehra-dron, a clay pot), which implies that he was not gestated in a womb, but outside the human body in a droon (vessel).

So, Drona means a vessel.

Further, here is the complete story of his birth :

The story of Drona's birth is recounted dramatically in Mahābhārata, Book I: Adi Parva, Sambhava Parva, Section CXXXI.^[1] Bharadwaja went with his companions to the Ganges to perform his ablutions. There he beheld a beautiful apsara named Ghritachi who had come to bathe. The sage was overcome by desire, causing him to ejaculate. Bharadwaja captured the fluid in a vessel called a drona, and Drona himself sprang from the fluid thus preserved. Drona would later boast that he had sprung from Bharadwaja without ever having been in a womb.