| 1. | to seize and hold by or as if by clasping with the fingers or arms. |
| 2. | to seize upon; hold firmly. |
| 3. | to get hold of mentally; comprehend; understand: I don't grasp your meaning. |
| 4. | to make an attempt to seize, or a motion of seizing, something (usually fol. by at or for): a drowning man grasping at straws; to grasp for an enemy's rifle. |
| 5. | the act of grasping or gripping, as with the hands or arms: to make a grasp at something. |
| 6. | a hold or grip: to have a firm grasp of a rope. |
| 7. | one's arms or hands, in embracing or gripping: He took her in his grasp. |
| 8. | one's power of seizing and holding; reach: to have a thing within one's grasp. |
| 9. | hold, possession, or mastery: to wrest power from the grasp of a usurper. |
| 10. | mental hold or capacity; power to understand. |
| 11. | broad or thorough comprehension: a good grasp of computer programming. |

grasp (grāsp) v. grasped, grasp·ing, grasps v. tr.
[Middle English graspen; see ghrebh-1 in Indo-European roots.] |
grasp
In addition to the idiom beginning with grasp, also see get a fix on (grasp of).