What is the meaning of Roder?

present of rode

inflection of rood:

1. predicative comparative degree
2. indefinite neuter singular comparative degree

predicative comparative degree

indefinite neuter singular comparative degree

to polish, polish up

to wear in (a motor), to run in, to put through its paces

to polish up, hone (skills)

alternative form of rodor

a rudder

Source: wiktionary.org