BESIEGING
siege, besieging, beleaguering, military blockade
(noun) the action of an armed force that surrounds a fortified place and isolates it while continuing to attack
Source: WordNet® 3.1
Verb
besieging
present participle of besiege
Noun
besieging (plural besiegings)
The act by which a place is besieged.
Source: Wiktionary
Be*sie"ging, a.
Definition: That besieges; laying siege to.
– Be*sie"ging*ly, adv.
BESIEGE
Be*siege", v. t. [imp. & p. p. Besieged; p. pr. & vb. n. Besieging.]
Etym: [OE. bisegen; pref. be- + segen to siege. See Siege.]
Definition: To beset or surround with armed forces, for the purpose of
compelling to surrender; to lay siege to; to beleaguer; to beset.
Till Paris was besieged, famished, and lost. Shak.
Syn.
– To environ; hem in; invest; encompass.
Source: Webster’s Unabridged Dictionary 1913 Edition