Md. Code, Criminal Law § 4–401

(a) In this subtitle the following words have the meanings indicated.

(b) (1) “Crime of violence” means:

(i) murder in any degree;

(ii) manslaughter;

(iii) kidnapping;

(iv) rape in any degree;

(v) assault in the first degree;

(vi) robbery under § 3–402 or § 3–403 of this article;

(vii) burglary in any degree;

(viii) home invasion under § 6–202(b) of this article;

(ix) escape in the first degree; or

(x) theft.

(2) “Crime of violence” includes an attempt to commit a crime listed in paragraph (1) of this subsection.

(c) “Machine gun” means a loaded or unloaded weapon that is capable of automatically discharging more than one shot or bullet from a magazine by a single function of the firing device.