aid (Noun) — A resource. ex. "visual aids in teaching"
aid (Noun) — The activity of contributing to the fulfilment of a need or furtherance of an effort or purpose. ex. "rescue party went to their aid"
aid (Noun) — Money to support a worthy person or cause.
aid (Noun) — The work of providing treatment for or attending to someone or something. ex. "no medical aid was required"
aid (Noun) — A person who contributes to the fulfilment of a need or furtherance of an effort or purpose.
aid (Verb) — Give assistance; be of service.
aid (Verb) — Improve the condition of. ex. "These pills will aid the patient"