Meanings

keratotomy

cutout (paper) doll

cutout picture

cutouts (of coloured paper)

crisp

on-off timer (i.e. to automatically turn an electrical device on and off at specified times)

off timer (i.e. to automatically turn an electrical device off at a certain time)

man-made water channel (e.g. round a castle)

osteotomy

act of treachery

appendectomy

to spend money freely

clearance (e.g. clearance sale)

mashed rice pressed on a cryptomeria skewer and toasted (used as dumplings in soups)

pneumonectomy

gastrectomy

lung lobectomy

to get over

pneumonectomy

only cut (otherwise left as-is, e.g. hair)