I know that some of you are new to the Transformers fandom or get a little confused by some of the words and terms they use. So in an effort to help you I have constructed a dictionary of sorts for you to the best of my ability. If there are any more you are confused in after reading please let me know in the comments below. I will adjust the list accordingly.

Helm: Head

Chassis:  Chest or torso

Servo(s): Arm(s) or Hand(s) depending on the context it is used in

Strut: Leg

Pede(s): Foot or feet

Backstruts: Back

Scrap:  Curse word

Slag: Curse word, worse than scrap

Frag: Curse word, even worse than slag

Faceplate: Face

Derma: Lip or lips

Denta: Teeth

Optic(s): Eye(s)

Optic ridge: Eyebrow?

Audio receptors:  Ears

Olfactory sensors: Nose

Aft: Well you can figure this one out by your self -_-

Digit: Finger

Intake: Usually mouth, but could also mean breath

Processor: Brain

Stasis: Most commonly defined as a forced sleep for medical purposes or for traveling over long distances

Recharge: Also sleep but the more common "I'm going to bed." sleep

Flux: Nightmare

Berth:  Bed

Neuro net: Nervous system

Spinal cables: Spine

Neck cable: Neck

Alt. Mode or alt-mode: Short for alternate mode

V-mode: Short for vehicle mode

Trine: Triplets or close threesome of bots, usually Seekers

Seekers: Cybertronians with wings ex: Starscream, it might also include those who chose an alt. mode with the ability to fly later on in their life ex: Blades from RB or Arachnid from TFP

Grounder: Cybertronians with ground based V-modes ex: Optimus

Praxian: Could mean a Cybertronian with door wings ex: Bumblebee from TFP or Prowl from G1

Sparkmate: Soulmate, wife, husband

Conjux Enduntra: married or marriage

Intended: Engaged or Fiancé  

Femme friend: Cound mean girlfriend

Mech friend: Could mean boyfriend

Sparkling: Small child or baby

Youngling: child

Mech: Man, boy, or male

Femme: Woman, girl, or female

Spark: Heart and/or soul

Kneejoint: Knee

Elbowjoint: Elbow

Primus: Main god, creator of life on Cybertron also at its core

Unicron: Opposite of Primus, at the center of Earth in the TFP, RB, and RiD dimensions although not stated in the RB dimension ( TFP, RiD, and RB are all interconnected yet alternate dimensions of each other)

Carrier: Mother, mom, mommy you get the picture

Sire: Father, dad, daddy

Creators: Parents

Allspark: Where a Cybertronian's spark returns when they die, a bit like Heaven

Glossa: Tongue

Tank: Stomach

Purge: Throw up, vomit, heave, you get it

Offline: Die, perish, kill, or killed

Online: Alive

Highgrade:  Basically the closet thing to alcohol for them

The Pit or Pit:  Hell or the Underworld, not to be confused with The Pits

The Pits of Kaon or The Pits: A gladatorial arena where mechs and femmes were forced to fight each other for survival, think the Coliseum in Rome  except darker, shadier, and crueler, not to be confused with The Pit

Dear Primus!: Like saying Dear God!

By the Allspark!: Same as the Primus one

What the Pit!: What the Hell!