Quiz: Remember the definition of mal de mer?
1570s, "to heap or crowd together," probably from Low German hudern "to cover, to shelter," from Middle Low German huden "to cover up," from Proto-Germanic *hud- (see hide (v.)). Cf. also Middle English hoderen "heap together, huddle" (c.1300). Related: Huddled; huddling. The noun is from 1580s. U.S. football sense is from 1928.
A conference; closed and intense discussion: He went into a huddle with his aidesverb
: We'll have to huddle on that one
[1929+; fr the huddle, esp of the offensive team, before most plays in football]