1. A boat that is on guard duty (as in a harbour) around a fleet of warships

Derived forms: guard boats

Type of: boat

• Aloys Senefelder
• alp
• alpaca
• Alpena
• alpenglow
• alpenhorn
• alpenstock
• alpestrine
• alpha
• alpha and omega
• alpha blocker
• alpha brass
• alpha bronze
• Alpha Centauri
• Alpha Crucis
• alpha decay
• alpha fetoprotein
• alpha foetoprotein
• Alpha Geminorum
• alpha globulin
• alpha iron
• alpha methyl dopa
• Alpha Orionis
• alpha particle
• alpha privative