What is the meaning of rearing?

noun

• The properties acquired as a consequence of the way you were treated as a child.
  • synonyms: raising, nurture
• Helping someone grow up to be an accepted member of the community.
  • usage: "they debated whether nature or nurture was more important"
  • synonyms: breeding, bringing up, fostering, fosterage, nurture, raising, upbringing

verb

• Stand up on the hind legs, of quadrupeds.
  • usage: "The horse reared in terror"
  • synonyms: rear, rise up
• Bring up.
  • usage: "raise a family"; "bring up children"
  • synonyms: rear, raise, bring up, nurture, parent
• Rise up.
  • usage: "The building rose before them"
  • synonyms: rise, lift, rear
• Cause to rise up.
  • synonyms: rear, erect
• Construct, build, or erect.
  • usage: "Raise a barn"
  • synonyms: raise, erect, rear, set up, put up

adjective

• Rearing on left hind leg with forelegs elevated and head usually in profile.
  • usage: "a lion rampant"
  • synonyms: rampant