| BATTLEDOORS | • battledoors n. Plural of battledoor. • BATTLEDOOR n. (obsolete) a light bat for striking a shuttlecock, also BATTLEDORE. |
| BLOODSTAINS | • bloodstains n. Plural of bloodstain. • BLOODSTAIN n. a discoloration caused by blood. |
| BLOODSTREAM | • bloodstream n. The flow of blood through the circulatory system of an animal. • blood␣stream n. Alternative form of bloodstream. • BLOODSTREAM n. the flowing blood in a circulatory system. |
| BOOTLOADERS | • bootloaders n. Plural of bootloader. • boot␣loaders n. Plural of boot loader. • BOOTLOADER n. a system program that takes a program close in form to machine code and loads it into memory. |
| BOTTOMLANDS | • bottomlands n. Plural of bottomland. • BOTTOMLAND n. (US) alluvial deposits. |
| BROADCLOTHS | • broadcloths n. Plural of broadcloth. • BROADCLOTH n. dense twilled wool or worsted fabric. |
| ISOANTIBODY | • isoantibody n. An antibody produced by an individual against isoantigens produced by members of the same species. • ISOANTIBODY n. an antibody that occurs naturally against foreign tissue from an individual of the same species. |
| OBDURATIONS | • obdurations n. Plural of obduration. • OBDURATION n. a hardening of the heart. |
| ODONTOBLAST | • odontoblast n. A cell on the outer surface of dental pulp that produces tooth dentin. • ODONTOBLAST n. a tooth cell in the surface of dental pulp that produces dentine. |
| ROUNDABOUTS | • roundabouts n. Plural of roundabout. • ROUNDABOUT v. to go round and round. |
| SHORTBOARDS | • shortboards n. Plural of shortboard. • SHORTBOARD n. a surfboard between six and eight feet in length. |
| STORYBOARDS | • storyboards n. Plural of storyboard. • storyboards v. Third-person singular simple present indicative form of storyboard. • STORYBOARD n. a board on which is mounted a series of rough sketches outlining a story. |
| TROUBADOURS | • troubadours n. Plural of troubadour. • TROUBADOUR n. (French) any of a class of poet-musicians flourishing esp. in southern France and northern Italy during the 11th, 12th, and 13th centuries. |