1. Having a shell that forms a spiral

See also: shelled

• behavioral
• behaviorism
• behaviorist
• behavioristic
• behavioristic psychology
• behaviour
• behaviour therapy
• behavioural
• behaviourism
• behaviourist
• behaviouristic
• behaviouristic psychology
• behead
• beheaded
• beheading
• behemoth
• behest
• behind
• behind bars
• behind-the-scenes
• behindhand
• Behmen
• Behmenism
• behold
• beholden