Dictionary

The heads side of a coin, or the side of a medal or badge that has the principal design.

Example: The medal had a cross on the obverse and had a name inscribed on the reverse.

A proposition obtained by obversion, e.g. All men are mortal => No man is immortal.

Turned or facing toward the observer.

Example: The obverse side of the gravestone has the inscription.

Corresponding; complementary.

Example: When you speak clearly, people understand you. If you don't mumble, the obverse effect is observed.

Having the base, or end next to the attachment, narrower than the top.

Example: an obverse leaf