people collectively who are crippled or otherwise physically handicapped
"technology to help the elderly and the disabled"
A disabled person.
"The community center ensured that the entrance was accessible for all handicapped visitors."
simple past tense and past participle of handicap
"The player was handicapped by a sudden injury during the match."
In plain English: To handicap something means to make it harder for someone to win by giving them an unfair disadvantage.
"The storm handicapped our travel plans by closing all the mountain roads."
having restricted mental or physical functioning as a consequence of injury or illness
"After his car accident, he lived with being handicapped by the loss of movement in both legs."
Having a handicap.
"The golfer was handicapped by a sudden rainstorm that delayed his round."