| alligator flag |
any of a family of large, broad-leafed, tropical, aquatic plants that usually grow up to six feet tall and have heavy blooms of delicate blue and purple flowers. |
| anchor |
a heavy object that is attached to and dropped from a boat or ship to keep it from moving. [1/2 definitions] |
| anvil |
a heavy metal block with a flat top on which heated metal objects are hammered into shapes. |
| armyworm |
any of various caterpillars that travel about in great numbers, usu. inflicting heavy damage on crops and grass. |
| arroyo |
a steep ditch carved in a plain or desert by the force of running water. Arroyos are usually dry except after a heavy rainfall. |
| artillery |
large weapons used in land battles, such as cannons or rockets. Artillery is too heavy for a person to carry and is sometimes mounted on wheels. [1/2 definitions] |
| atlas |
(cap.) any person who carries a heavy burden. [1/5 definitions] |
| ax |
a heavy cutting tool with a blade mounted at the end of a long handle, used esp. for chopping wood. [1/4 definitions] |
| B-1 |
a heavy U.S. jet bomber built for the 1980s. |
| B-29 |
a heavy U.S. bomber used late in World War II; Superfortress. |
| B-52 |
a heavy U.S. bomber with eight jet engines. |
| badger |
the heavy black and white fur of such a mammal. [1/3 definitions] |
| balk |
a heavy beam or timber used in building construction. [1/7 definitions] |
| ball and chain |
a heavy ball attached by a chain to a prisoner's ankle to prevent escape. |
| ballast |
heavy material placed in a boat or ship to make it more stable. [2 definitions] |
| ballista |
an ancient military machine resembling a large crossbow, used to hurl stones and other heavy projectiles. |
| barong |
a heavy, broad-bladed knife or cleaver that is used by the Moros of the Philippines. |
| barracks bag |
a large cylindrical bag of heavy cloth, usu. with a drawstring, used to contain a soldier's personal belongings; duffel bag. |
| baryon |
in physics, a heavy subatomic particle of half-integral spin, such as a proton, neutron, or hyperon. |
| basalt |
a dark, heavy rock that is created by lava flowing from volcanoes. |
| bat1 |
a heavy stick that you use to hit the ball in baseball, softball, and other sports. |