1. Noun

   beside a nobleman; close aid (of a nobleman, etc.)

2. place where a high ranking person resides; one's own city (of a shogun, lord, etc.); Imperial capital; Imperial court; (shogun's) headquarters

3. place under one's direct control; one's own turf; one's own backyard

Also written お膝下【おひざもと】ohizamoto、お膝許【おひざもと】ohizamoto