2. (Anat. & Zoöl.) (a) The point of union between two parts, as the angles of the lips or eyelids, the mandibles of a bird, etc. (b) A collection of fibers connecting parts of the brain or spinal marrow; a chiasma.

3. (Bot.)

Defn: The line of junction or cohering face of two carpels, as in the parsnip, caraway, etc.

COMMIT
Com*mit", v. t. [imp. & p. p. Commited; p. pr. & vb. n. Commiting.]
Etym: [L. committere, commissum, to connect, commit; com- + mittere
to send. See Mission.]

1. To give in trust; to put into charge or keeping; to intrust; to consign; — used with to, unto. Commit thy way unto the Lord. Ps. xxxvii. 5. Bid him farewell, commit him to the grave. Shak.

2. To put in charge of a jailor; to imprison. These two were commited. Clarendon.

3. To do; to perperate, as a crime, sin, or fault. Thou shalt not commit adultery. Ex. xx. 14.

4. To join a contest; to match; — followed by with. [R.] Dr. H. More.

5. To pledge or bind; to compromise, expose, or endanger by some decisive act or preliminary step; — often used reflexively; as, to commit one's self to a certain course. You might have satisfied every duty of political friendship, without commiting the honor of your sovereign. Junius. Any sudden assent to the proposal . . . might possibly be considered as committing the faith of the United States. Marshall.

6. To confound. [An obsolete Latinism.] Committing short and long [quantities]. Milton. To commit a bill (Legislation), to refer or intrust it to a committee or others, to be considered and reported. — To commit to memory, or To commit, to learn by heart; to memorize.