1. Anything resembling the tongue in form or office

Derived forms: languets

• family Argentinidae
• family Argiopidae
• family Argonautidae
• family Ariidae
• family Aristolochiaceae
• family Armadillidiidae
• family Artamidae
• family Ascaphidae
• family Ascaridae
• family Asclepiadaceae
• family Asilidae
• family Asparagaceae
• family Aspergillaceae
• family Asphodelaceae
• family Aspleniaceae
• family Astacidae
• family Asteraceae
• family Atherinidae
• family Athiorhodaceae
• family Athyriaceae
• family Atrichornithidae
• family Atropidae
• family Aulostomidae
• family Auriculariaceae
• family Avicenniaceae