Glossary & References / Keywords List / Definitions:

Term to be defined Definition Synonyms & Keywords

Click image for "External Appearance of a Duck" Section

- The topmost part of a structure or organ. (B248)

- The top of the head - (V.w5) (See External Appearance of a Typical Duck - Whole body)

- The exposed part of the tooth (above the gum) within the mouth. (B248, V.w5)