Meaning of the word perpendicularly in English

What does perpendicularly mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

perpendicularly

US /ˌpɝː.pənˈdɪk.juː.lɚ.li/
UK /ˌpɜː.pənˈdɪk.jə.lə.li/

Adverb

at an angle of 90° to a horizontal line or surface:

Example:
immense rocks rising perpendicularly from the earth