IPA: //ˈleɪtəˌræd//
KK: /ˈleɪtəræd/
In a direction that is away from the middle of the body or structure, towards the side.
The doctor explained that the injury was located laterad to the main muscle group.
This word originates from Latin 'lateralis' (meaning side) and 'ad' (meaning to or towards). The word 'laterad' refers to a direction towards the side.
Think of moving 'towards the side' — 'lateralis' means side, and 'ad' means to or towards.