| cherry |
a small, round fruit that grows on a tree. It is red, yellow, or purple in color and has a hard pit in the center. [1/4 definitions] |
| chip1 |
a small piece broken, cut, or chopped off of a hard material. [1/6 definitions] |
| choke |
to have a hard time breathing or swallowing. [1/4 definitions] |
| chrysalis |
the hard outside covering on a moth or butterfly while it is a pupa, the stage before it becomes an adult with wings. Many kinds of moths and butterflies make a chrysalis instead of a cocoon. Chrysalis is also sometimes used as another name for the pupa itself. |
| clam |
an animal with a soft body and a hard shell made of two hinged pieces that open and close. Many kinds of clams live in the ocean and in fresh water. People eat some kinds of clams. Clams are mollusks. [1/2 definitions] |
| clobber |
(informal) to strike hard; beat up. |
| coal |
a hard black or dark brown substance that is found in the earth and burned as fuel. [1/2 definitions] |
| cob |
the hard center of an ear of corn; corncob. |
| cockle |
a small animal with a soft body and a hard shell shaped like a heart. Cockles are mollusks with two hinged shells that open and close. They are kinds of clams. People sometimes eat cockles. |
| coconut |
the seed of the coconut tree, which contains hard flesh and milky liquid that can be used for food. [1/2 definitions] |
| complicated |
hard to understand; difficult to do or to deal with. [1/2 definitions] |
| concrete |
a hard, strong building material made by mixing sand, gravel, cement, and water. [1/3 definitions] |
| confusing |
hard to figure out or to get the correct meaning from; puzzling. |
| congeal |
to make thick or hard, especially by cooling or freezing. |
| coral |
the hard skeleton of tiny sea animals called corals. Most kinds of corals live in warm tropical oceans, and their thousands of skeletons form reefs and atolls. [1/3 definitions] |
| coral reef |
a structure that rises up from the bottom of the sea and is made up of the hard skeletons of tiny sea animals called corals. Coral reefs are found in warm, shallow sea waters around the world. The largest system of coral reefs is found in the Coral Sea off the northeastern coast of Australia. |
| core |
the hard center part of certain fruits. [1/4 definitions] |
| cough drop |
a medication in the form of a small piece of hard candy, used for soothing a cough or sore throat. |
| crab1 |
an animal with a wide, flat body covered by a hard shell. Crabs have ten legs, including a pair of claws, eyes on short stalks, and antennae. Most kinds of crabs live in the ocean and eat many kinds of food. Crabs are crustaceans, which are a kind of arthropod. The biggest crabs are larger than any other arthropod. [1/2 definitions] |
| crab apple |
a small, hard, sour apple used for making jelly. [1/2 definitions] |
| cracker |
a thin, hard biscuit. |