incidental; ancillary; accessory; secondary; collateral

bandage; dressing

zone; area; belt; region

household; home; family; housekeeping

congeries of many households; scratch (combined) team; hodge podge of parties

tropics

carrying (on one's person or in the hand)

solidarity

whole area; whole region

band (e.g. conduction, valence); belt (e.g. Van-Allen, asteroid, etc.)

tropical fish

temperate zone