Langimage
English

posterolateral

|pos-ter-o-lat-er-al|

C2

🇺🇸

/ˌpɑstəroʊˈlætərəl/

🇬🇧

/ˌpɒstərəʊˈlæt(ə)rəl/

behind and to the side

Etymology
Etymology Information

'posterolateral' originates from Latin, specifically from the combining elements 'poster-' from Latin 'posterus' meaning 'after, behind' and 'lateral' from Latin 'latus/ lateralis' meaning 'side'.

Historical Evolution

'posterolateral' was formed in New/Modern Latin as a compound of Latin 'posterior' + Latin 'lateralis' for anatomical use, and entered English via medical/scientific Latin usage.

Meaning Changes

Initially it combined the original senses 'behind' and 'side'; over time it has retained this combined anatomical sense of 'located behind and to the side'.

Meanings by Part of Speech

Adjective 1

situated toward the back and to the side; relating to the posterior and lateral aspects (used especially in anatomy).

The tumor was located on the posterolateral aspect of the knee.

Synonyms

Antonyms

Last updated: 2025/10/05 21:31