armory
n.
"arms and weapons collectively," c.1300; see arm, n.2 + -ory. Meaning "place where arms are manufactured" is from mid-15c. Also used in a sense of "arsenal" (mid-15c.), "the science of heraldry" (late 15c.), from Old French armoierie, from armoier "to blazon," from Latin arma "weapons" (see arm, n.2).
〔李〕[arm;-oryn.] n.军械库; 军械 ←arm (L armare)=to arm 武装