It’s not an “official” gloss in a vocabulary list, but Okrand used nuH pat to translate “weapons grid” on SkyBox card SP3:

  HoS law'qu' luch law'qu' je lo' Duj nuH pat Hub pat je
   A huge amount of the ship's power and technology is
   devoted to its weapons grid and defensive systems. (SP3)

So a “grid” not in the sense of a series of crossed reference lines – which is tlhat – but more metaphorical, like a sensor grid. 

pat refers to a physical or mechanical system, not an intangible or intellectual system - say a philosophical school of thought or analysis – which we know know is Ho’DoS, e.g. ghItlhmeH Ho’DoS writing system:

(De'vID < MO, 2/17/2018):  Ho’DoS is system, method, manner, technique.  pat is system in the physical [or physical-like] sense, as in computer system [hardware or hardware and software together] or transporter system or propulsion system.

--Voragh

From: On Behalf Of Ed Bailey

On Mon, Mar 5, 2018 at 9:46 AM, Steven Boozer <sboozer@uchicago.edu> wrote:

pat             system, grid (n)

Is "grid" really a gloss for pat?  This reminds me that tlhat "grid" is also a related word.

~mIp'av