General
- Alt: Alternate account
- AI: Allegria Island
- Bugge: A bug furry character
- Dream: A player-created map
- Furc: Furcadia
- Furling: A child furry character
- Furre: A furry character
- Heartbonding: A platonic "marriage" for best friends
- Hyooman: Human
- Lapine: A rabbit furry character; instead of the expected Leporine, this is a Watership Down reference
- Owsla: Rule enforcers
- Pookie: A cat plushie object that can be found in the default items; named after Garfield's teddy
- Twink: Furcadia-specific term for internet trolls
- Yiff: Cybersex
Patches
- Avatar: The walkabout graphics for one of the playable furry species
- Local: See Local Species
- Local Species: A custom avatar species, specific to the Dream; before, new species replaced existing ones
- Patch: Custom player-created graphics that replace the existing graphics
Digo Market
- Desctag: A purchaseable small graphic at the end of your character profile; somewhat analogous to enamel pin collecting, they often represent your relationship status
- Digo: A purchaseable playable avatar, commonly a mythical animal
- Digo Market: The Furcadia digital store, which sells "Digos" alongside other products
- Port: See Portrait
- Portrait: The 95x95 icon in your character's profile; analogous to forum avatars
- Specitag: The icon in front of your name when you chat; it displays your colors in the form of a flag
Dragons
- Dracosaur: A standard Draxorian, larger than a dragon
- Dragon: A bipedal winged dragon far larger than your average furre
- Draxorian: A family of quadrupedal non-sapient dragons including the Dracosaur, Minidrake, and Nightdrake
- Minidrake: A miniature Draxorian
- Nightdrake: A nocturnal Draxorian
- Wyrmme: A bipedal wingless dragon (rather like D&D's Dragonborn), furre-sized