1. Located in the middle part of a ship or aircraft

1. At or near or toward the centre of a ship
   - amidships, midships 
2. At or near or toward the middle

See also: central

• Hydrobates pelagicus
• Hydrobatidae
• hydrobromic acid
• hydrocarbon
• hydrocele
• hydrocephalic
• hydrocephalus
• hydrocephaly
• Hydrocharidaceae
• Hydrocharis
• Hydrocharis morsus-ranae
• Hydrocharitaceae
• hydrochloric
• hydrochloric acid
• hydrochloride
• hydrochlorofluorocarbon
• hydrochlorothiazide
• Hydrochoeridae
• Hydrochoerus
• Hydrochoerus hydrochaeris
• hydrocolloid
• hydrocortisone
• Hydrocortone
• hydrocracking
• hydrocyanic