Humanoids are anything that resembles a human without being actually one.
In robotics, artificial intelligence-driven robots are being given the appearance of humans. Now, in a first Saudi Arabia has granted citizenship to Sophia, a humanoid.
To classify as a humanoid, the robot needs:
Opposable anterior forelimb-appendages (means usable thumbs and fingers)
Visible spectrum-binocular vision (two eye-like functional devices)
It should be bipedal (Should walk on two legs)
Male humanoids are androids and females, gynoids
Popular humanoids and its makers
NASA's Johnson Space Center, USA - Valkyrie Robot

Boston Dynamics, US - ATLAS
Honda, Japan - ASIMO
Aldebaran, France - Nao
Toyota, Japan - Partner Robot
Sony, Japan - QRIO
Sarcos, USA - Humanoid
ROBOTIS, South Korea - Darwin-OP
Snippet: Guess who made the first humanoid. Leonardo Da Vinci's notebooks, rediscovered in the 1950s, contain detailed drawings of a mechanical knight in armour which could sit up, wave its arms and move its head and jaw.
Read: Latest World News | First citizen robot Sophia takes a dig at Elon Musk