Noun
One who takes a side.
- Examples
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enemies of God and our Religion, and siders with Antichrist
Noun
A shape with a specified number of sides.
Usage- In compounds
- Rare
- Examples
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More examples (1)
So if Colorado is not a rectangle, what is it? Well, not a pentagon, (Greek for 5-sider), hexagon (6-sider), or a heptagon (7-sider), but a—hold on to something—hexahectaenneacontakaiheptagon (697-sider).