NOUN (1)

1. someone who serves as a minister;


ADJECTIVE (1)

1. giving practical help to;
- Example: "a ministering angel"
- Example: "the angels ministrant sang"
- Example: "the attending physician"

The Collaborative International Dictionary of English v.0.48:

Ministrant \Min"is*trant\ (m[i^]n"[i^]s*trant), a. [L.
   ministrans, -antis, of ministrare to minister.]
   Performing service as a minister; attendant on service;
   acting under command; subordinate. "Princedoms and
   dominations ministrant." --Milton. -- n. One who ministers.
   [1913 Webster]

WordNet (r) 3.0 (2006):

ministrant
    adj 1: giving practical help to; "a ministering angel"; "the
           angels ministrant sang"; "the attending physician"
    n 1: someone who serves as a minister