A spasm of the diaphragm, or the resulting sound. / (by extension) Any spasm or sudden change. / (informal) A minor setback.

(intransitive) To produce a hiccup; have the hiccups. / (transitive) To say with a hiccup. / (intransitive) To produce an abortive sound like a hiccup.

(US, slang) A bruise-like mark made during petting by pressing the mouth to the skin on one’s partner’s body and sucking. / (informal, slang) An object whose name is unknown or cannot be recalled.

A surname from Irish.

(chiefly humorous) plural of house

Of or pertaining to the hickory tree or its wood.

(countable) Any of various deciduous hardwood trees of the genus Carya or Annamocarya. / Carya illinoinensis is the source of pecan nuts. / (uncountable) The wood of these trees.

(derogatory) An awkward, naive, clumsy and/or rude country person.

To hiccup.

plural of hickey