gate (child or baby): noun, A protective gate mounted across a door way, stairs, etc., to prevent access by small children.
gibber: verb, To speak rapidly and unintelligibly.
gurgle: verb, To make a bubbling sound.
headspace: noun, a frame of mind consistent in mood and role.
headspace-age-appropriate: adjective, considered correct for the age of the headspace being engaged in, even though the act or situation may be legal based on physical age. For those regressed to being infants and toddlers, headspace-age-inapropriate situations may include intercourse, being fondled, being placed in heavy bondage, etc.
heaven: Will there Be Nurseries in Heaven?
high chair: noun, An elevated chair with an integral tray and safety strap used to hold an infant for feeding.
hip abduction splint: noun, A pad, brace, or harness used to prevent straigtening the legs at the hip or bringing the knees together. A number of types are used in medicine. The the type used by AB/DLs for bondage resembles a stiff diaper. It is passes under the crotch, with straps running over the shoulders and around the waist.
hooded towel: noun, A square towel, with a triangular flap at one corner which is used to cover the head.
hrubecky fold: noun, An archaic method of folding rectangular disposable diapers, patented in 1965 by , Frederick J. Hrubecky for Kimberly Klark. The diaper was folded in half, bringing the front and back ends together. The two folded corners, the crotch, were folded inwards, and then outwards. This fold was developed in an attempt to differentiate Kimberly Clark's product from Proctor and Gamble's Pampers®, which used the wingfold. The Hrubecky fold was more difficult to automate and didn't pack as efficiently as the wingfold.
incontinent: adjective, Unable to control the passage of urine and/or feces.
infant: noun, A very young child who has not learned to speak; (newborn to ~12 months)
infantilism: noun, 1. Having desires to be treated as or to act like an infant. For more information, see Paraphilic Infantilism: the History of the Term. Sometimes this term is used generally, to include diaper fetishes as well. 2.(Archaic.) Having an undeveloped sexual drive, paraphilia. 3. Outside of a context of paraphilic infantilism or diapers, infantilism has a more general meaning; undeveloped or underdeveloped.
infant school: noun, (Brit.), A kindergarten.