| axis |
a real or imaginary line through the center of an object, around which the object turns. |
| caper |
to leap, hop, or skip about in a playful way; frolic. |
| complain |
to express pain, sadness, or unhappy feelings about something. |
| employment |
the act of hiring or keeping someone as a paid worker. |
| fiber |
a small, thin part of a plant, animal, or mineral that is shaped like a thread. |
| flutter |
to wave rapidly back and forth or up and down. |
| formal |
following accepted rules for doing something; proper, legal, or official. |
| humor |
a quality that makes people laugh or feel amused. |
| intelligent |
having a great ability to reason and understand. |
| origin |
the point or place from which something comes; source. |
| rectangle |
a flat, closed figure with four straight sides, four right angles, and opposite sides parallel to each other. |
| tilt |
to move or place so that one side is higher than the other; tip. |
| tread |
to step or walk on, in, or along. |
| unusual |
not usual or ordinary; not common; remarkable. |
| worth |
good or important enough for. |