depinisyon kahulugan
Browse Dictionary Definitions  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
doc Definition of aptychus
    English to English
    noun
  • A shelly plate found in the terminal chambers of ammonite shells. Some authors consider them to be jaws; others, opercula.
  • source: Webster 1913
Nearby Word