WordWeb Online

1. Similar or equivalent in some respects though otherwise dissimilar
   "salmon roe is marketed as analogous to caviar"; "brains and computers are often considered analogous";
   - correspondent
    
2. (biology) corresponding in function but not in evolutionary origin
   "the wings of a bee and those of a hummingbird are analogous"

See also: similar

Antonym: heterologous, homologous

Encyclopedia: Analogous