THESAURUS
amidships
average, betwixt and between, central, core, equatorial, equidistant, half-and-half, halfway, in medias res, in the mean, in the middle, interior, intermediary, intermediate, mean, medial, medially, median, mediocre, mediterranean, medium, mediumly, mesial, mezzo, mezzo-mezzo, mid, middle, middlemost, middling, midland, midmost, midships, midway, nuclear
ROGET THESAURUS
amidships
Middle
N
middle, midst, mediety, mean, medium, middle term, center &c, mid-course, mezzo termine, juste milieu, halfway house, nave, navel, omphalos, nucleus, nucleolus, equidistance, bisection, half distance, equator, diaphragm, midriff, intermediate, middle, medial, mesial, mean, mid, median, average, middlemost, midmost, mediate, intermediate, equidistant, central, mediterranean, equatorial, homocentric, in the middle, midway, halfway, midships,
amidships, in medias res.