| AFTERBRAINS | • afterbrains n. Plural of afterbrain. • AFTERBRAIN n. a nontechnical name for the myelencephalon. |
| APPLEDRAINS | • APPLEDRAIN n. (US dialect) a wasp. |
| CRACKBRAINS | • crackbrains n. Plural of crackbrain. • CRACKBRAIN n. a crazy person. |
| DISENTRAINS | • disentrains v. Third-person singular simple present indicative form of disentrain. • DISENTRAIN v. to set down from a train. |
| DRIVETRAINS | • drivetrains n. Plural of drivetrain. • drive␣trains n. Plural of drive train. • DRIVETRAIN n. the parts that connect the transmission with the driving axles of an automobile, also DRIVELINE. |
| HOVERTRAINS | • hovertrains n. Plural of hovertrain. • HOVERTRAIN n. a train that moves supported by a cushion of air, like a hovercraft. |
| INTERBRAINS | • interbrains n. Plural of interbrain. • INTERBRAIN n. the diencephalon. |
| MULTIGRAINS | • multigrains n. Multiple types of grain, usually in processed form. |
| OVERSTRAINS | • overstrains v. Third-person singular simple present indicative form of overstrain. • OVERSTRAIN v. to strain to excess. |
| POWERTRAINS | • powertrains n. Plural of powertrain. • power␣trains n. Plural of power train. • POWERTRAIN n. the drive-transmitting sequence in a motor vehicle. |
| SOUTERRAINS | • souterrains n. Plural of souterrain. • SOUTERRAIN n. (French) an underground chamber, room or dwelling, also SUBTERRAIN, SUBTERRANE, SUBTERRENE. |
| SUBTERRAINS | • subterrains n. Plural of subterrain. • SUBTERRAIN n. an underground chamber, room or dwelling, also SOUTERRAIN, SUBTERRANE, SUBTERRENE. |
| SUPERBRAINS | • superbrains n. Plural of superbrain. • SUPERBRAIN n. an extraordinary intelligence. |
| UNDERDRAINS | • underdrains n. Plural of underdrain. • underdrains v. Third-person singular simple present indicative form of underdrain. • UNDERDRAIN v. to drain by deep underground ditches. |
| WATERBRAINS | • WATERBRAIN n. a disease of sheep, aka gid. |
| WHOLEGRAINS | • wholegrains n. Plural of wholegrain. • WHOLEGRAINS n. the whole unprocessed grains of cereals such as wheat and maize. |