pursuivant noun & verb. ['pǝ:sɪv(ǝ)nt] LME.
[Old French pursivant use as noun of pres. pple of pursivre: see PURSUE, -ANT¹. Cf. PURSUANT noun.]
A. noun.
1. Formerly, a junior heraldic officer attendant on a herald or attached to a particular nobleman. Now, an officer of the College of Arms, ranking below a herald. Also pursuivant of arms, pursuivant at arms. LME.
■ O. Neubecker At their head..a king-at-arms followed by heralds..and then pursuivants.

2. A royal or State messenger with power to execute warrants; a warrant-officer. obsolete exc. Hist. E16.
■ A. Kenny The hair's-breadth escapes of recusants hunted by pursuivants.

3. A follower; an attendant. arch. E16.
B. verb trans. Pursue, summon, or arrest by a pursuivant. M17-E18.

[TahlilGaran] English Dictionary ▲