fin¹ /fin/

1. An organ by which an aquatic animal steers, balances or swims
2. A swimmer's flipper
3. A fixed vertical surface on the tail of an aeroplane
4. A portion of a mechanism like a fish's fin in shape or purpose
5. A thin projecting edge or plate
6. A hand or arm (slang)

1. To provide with fins
2. To remove the fins from

To swim using flippers

finˈless adjective

finned adjective

Having fins

finnˈer noun

A finback

finnˈy adjective

Finned

finˈback or fin whale noun

A rorqual

fin'fish noun

A true fish, bearing fins and breathing through gills, as opposed to other aquatic animals such as shellfish

finˈfoot noun

A grebe-like water bird

finˈ-footˈed adjective

1. Webfooted
2. Having fringed toes

fin keel noun

A fin-shaped keel

finˈ-ray noun

A horny rod supporting a fin

finˈ-toedˈ adjective

Having lobate or fringed toes

fin² /fin/ (US sl)

A five-dollar bill

• Cathaian
• cat-hammed
• Cathar
• Cathari
• catharise
• catharised
• catharises
• catharising
• Catharism
• Catharist
• catharize
• catharized
• catharizes
• catharizing
• Cathars
• catharses
• catharsis
• cathartic
• cathartical
• cathartically
• cathartics
• Cathayan
• cathead
• catheads
• cathectic