What does "rear" mean when used as a verb?

• Rear: [verb]
English meaning: to care for young children or animals until they are fully grown/ bring up/ raise.
Bangla meaning: ছোট শিশু বা প্রাণীদের বড় হওয়া পর্যন্ত লালন-পালন করা।

Example:
- She reared a family of five on her own.
- Lions usually manage to rear about half the number of cubs born to them.

Source: Oxford Dictionary.