*a portion of [[land]] nearly [[surrounded]] by [[water]] and [[connected]] with a larger [[body]] by an [[isthmus]]; also : a piece of land jutting out into the water whether with or without a well-defined isthmus | *a portion of [[land]] nearly [[surrounded]] by [[water]] and [[connected]] with a larger [[body]] by an [[isthmus]]; also : a piece of land jutting out into the water whether with or without a well-defined isthmus |